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	module_info Mail::Milter::Authentication Mail::AuthenticationResults Mail::DMARC::PurePerl

		Name:        Mail::Milter::Authentication
		Version:     undef
		Directory:   /usr/lib/perl5/site_perl/5.26.1
		File:        /usr/lib/perl5/site_perl/5.26.1/Mail/Milter/Authentication.pm
		Core module: no

		Name:        Mail::AuthenticationResults
		Version:     undef
		Directory:   /usr/lib/perl5/site_perl/5.26.1
		File:        /usr/lib/perl5/site_perl/5.26.1/Mail/AuthenticationResults.pm
		Core module: no

		Name:        Mail::DMARC::PurePerl
		Version:     undef
		Directory:   /usr/lib/perl5/site_perl/5.26.1
		File:        /usr/lib/perl5/site_perl/5.26.1/Mail/DMARC/PurePerl.pm
		Core module: no

	/etc/systemd/system/auth-milter.service
		[Unit]
		Description=AuthenticationMilter
		After=var-run.mount network-online.target remote-fs.target syslog.target

		[Service]
		Type=simple
		NonBlocking=yes
		PIDFile=/var/run/auth-milter/auth-milter.pid
		ExecStart=/usr/bin/authentication_milter -c start \
		 --prefix=/usr/local/etc/auth-milter \
		 --pidfile=/var/run/auth-milter/auth-milter.pid \
		 --ident mx
		ExecReload=/bin/kill -USR1 $MAINPID
		ExecStop=/usr/bin/authentication_milter \
		 -c stop \
		 --prefix=/usr/local/etc/auth-milter \
		 --pidfile=/var/run/auth-milter/auth-milter.pid

		[Install]
		WantedBy=multi-user.target

	/usr/local/etc/auth-milter/authentication_milter.json
		{
		    "protocol"  : "milter",
		    "debug"     : 0,
		    "dryrun"    : 0,
		    "logtoerr"  : 0,
		    "error_log" : "/var/log/auth-milter/auth-milter.err",

		    "connection" : "unix:/var/run/auth-milter/auth-milter.sock",
		    "umask"      : "0000",
		    "runas"      : "authmilter",
		    "rungroup"   : "authmilter",
		    "chroot"     : "",

		    "listen_backlog"         : 20,
		    "min_children"           : 5,
		    "max_children"           : 25,
		    "min_spare_children"     : 2,
		    "max_spare_children"     : 5,
		    "max_requests_per_child" : 100,

		    "connect_timeout"       : 30,
		    "command_timeout"       : 30,
		    "content_timeout"       : 300,

		    "dns_resolvers" : [
		        "127.0.0.1"
		    ],
		    "dns_timeout"   : 10,
		    "dns_retry"     : 2,

		    "header_indent_style" : "entry",
		    "header_fold_at"      : 77,
		    "header_indent_by"    : 4,

		    "tempfail_on_error"               : "1",
		    "tempfail_on_error_authenticated" : "0",
		    "tempfail_on_error_local"         : "0",
		    "tempfail_on_error_trusted"       : "0",

		    "handlers" : {

		        "SPF" : {
		            "best_guess" : 0,
		            "hide_none"  : 0,
		            "hide_received-spf_header" : 0
		        },

		        "DKIM" : {
		            "hide_none" : 0,
		            "hide_domainkeys" : 1,
		            "check_adsp" : 1,
		            "show_default_adsp" : 0,
		            "adsp_hide_none" : 0
		        },

		        "DMARC" : {
		            "no_report" : "1",
		            "config_file" : "/usr/local/etc/auth-milter/mail-dmarc.ini",
		            "hard_reject" : 0,
		            "hide_none" : 0,
		            "no_reject_disposition" : "quarantine",
		            "detect_list_id" : "1",
		            "no_list_reject" : 0,
		            "no_list_reject_disposition" : "none",
		            "whitelisted"           : [
		                "dkim:bad.forwarder.com"
		            ],
		            "use_arc" : 1,
		            "report_skip_to" : [
		                "[email protected]"
		            ]
		        },

		        "PTR" : {},

		        "SenderID" : {
		            "hide_none" : 1
		        },

		        "IPRev" : {},

		        "Auth" : {},

		        "LocalIP" : {},

		        "TrustedIP" : {
		            "trusted_ip_list" : [
		            ]
		        },

		        "!AddID" : {},

		        "ReturnOK" : {},

		        "Sanitize" : {
		            "hosts_to_remove" : [
		                "example.com",
		                "example.net"
		            ],
		            "remove_headers" : "yes"
		        }
		    }
		}

	systemctl start auth-milter

	ps aux | grep -i authen
		authmil+ 26304  0.1  0.9 188596 79488 ?        Ss   13:14   0:00 authentication_milter_mx:master              
		authmil+ 26305  0.0  0.9 188728 76056 ?        S    13:14   0:00 authentication_milter_mx:waiting(1)          
		authmil+ 26306  0.0  0.8 188596 73400 ?        S    13:14   0:00 authentication_milter_mx:waiting(0)          
		authmil+ 26307  0.0  0.8 188596 72936 ?        S    13:14   0:00 authentication_milter_mx:waiting(0)          
		authmil+ 26308  0.0  0.8 188596 72936 ?        S    13:14   0:00 authentication_milter_mx:waiting(0)          
		authmil+ 26309  0.0  0.8 188596 72936 ?        S    13:14   0:00 authentication_milter_mx:waiting(0)          

	tail -f /var/log/auth-milter/auth-milter.conf
		Wed Oct 10 12:54:18 2018 authentication_milter_mx[25507] daemonize servers=5/25 spares=2/5 requests=100
		Wed Oct 10 12:54:18 2018 authentication_milter_mx[25507] run as user=authmilter group=authmilter
		Wed Oct 10 12:54:18 2018 authentication_milter_mx[25507] Chroot to
		Wed Oct 10 12:54:18 2018 authentication_milter_mx[25507] listening on unix socket=/var/run/auth-milter/auth-milter.sock backlog=20
		Wed Oct 10 12:54:18 2018 authentication_milter_mx[25507] setting umask to 0000
		Wed Oct 10 12:54:18 2018 authentication_milter_mx[25507] ==========
		Wed Oct 10 12:54:18 2018 authentication_milter_mx[25507] Starting server
		Wed Oct 10 12:54:18 2018 authentication_milter_mx[25507] Running with perl v5.26.1
		Wed Oct 10 12:54:18 2018 authentication_milter_mx[25507] ==========

	Authentication-Results: mx.example.net;
	    dkim=pass (2048-bit rsa key sha256) header.d=fastmail.fm
	      [email protected] header.b=TgO1WPCB header.a=rsa-sha256
	      header.s=fm1;
	    dkim=pass (2048-bit rsa key sha256) header.d=messagingengine.com
	      [email protected] header.b=VmssBcQh header.a=rsa-sha256
	      header.s=fm1;
	    x-local-ip=pass;
	    x-return-mx=pass header.domain=fastmail.fm policy.is_org=yes
	      (MX Record found);
	    x-return-mx=pass smtp.domain=fastmail.fm policy.is_org=yes
	      (MX Record found)

	Authentication-Results: mx5.messagingengine.com;
	    arc=none (no signatures found);
	    dkim=pass (1024-bit rsa key sha256) header.d=opayq.com
	      [email protected] header.b=ALCrBItS header.a=rsa-sha256
	      header.s=abine x-bits=1024;
	    dmarc=pass policy.published-domain-policy=none
	      policy.published-subdomain-policy=none policy.applied-disposition=none
	      policy.evaluated-disposition=none (p=none,sp=none,d=none,d.eval=none)
	      header.from=opayq.com;
	    iprev=pass policy.iprev=184.105.182.132
	      (132-he.filtered.junkemailfilter.com);
	    spf=pass [email protected]
	      smtp.helo=132-he.filtered.junkemailfilter.com;
	    x-aligned-from=pass (Address match);
	    x-cm=none score=0;
	    x-ptr=pass smtp.helo=132-he.filtered.junkemailfilter.com
	      policy.ptr=132-he.filtered.junkemailfilter.com;
	    x-return-mx=pass header.domain=opayq.com policy.is_org=yes
	      (MX Record found);
	    x-return-mx=pass smtp.domain=opayq.com policy.is_org=yes
	      (MX Record found);
	    x-tls=pass smtp.version=TLSv1.2 smtp.cipher=ECDHE-RSA-AES128-GCM-SHA256
	      smtp.bits=128/128;
	    x-vs=clean score=0 state=0

Warning: Use of uninitialized value $lv in substitution (s///) at /usr/local/lib/perl5/site_perl/Prometheus/Tiny.pm line 28.
Warning: Use of uninitialized value $lv in substitution (s///) at /usr/local/lib/perl5/site_perl/Prometheus/Tiny.pm line 29.
Warning: Use of uninitialized value $lv in concatenation (.) or string at /usr/local/lib/perl5/site_perl/Prometheus/Tiny.pm line 30.

Details for 'Mail::Milter::Authentication'
Author                   Marc Bradshaw ([email protected])
Description              None given
Development Stage        Unknown
Installed File           /usr/local/share/perl5/5.30/Mail/Milter/Authentication.pm
Interface Style          Unknown
Language Used            Unknown
Package                  Mail-Milter-Authentication-2.20200930.2.tar.gz
Public License           Unknown
Support Level            Unknown
Version Installed        2.20200930.2
Version on CPAN          2.20200930002
...

cat /etc/auth-milter/authentication_milter.json
	{
		...
		"runas"      : "auth-milter",
		"rungroup"   : "postfix-milter",
		...

cat /etc/systemd/system/auth-milter.service
	...
	[Service]
	...
	User=auth-milter
	Group=postfix-milter
	...

id auth-milter && id postfix-milter
	uid=1008(auth-milter) gid=1001(postfix-milter) groups=1001(postfix-milter),1007(auth-milter)

systemctl start auth-milter

systemctl status auth-milter
● auth-milter.service - FastMail Authentication Milter Daemon
     Loaded: loaded (/etc/systemd/system/auth-milter.service; enabled; vendor preset: disabled)
     Active: active (running) since Mon 2020-10-05 09:40:01 PDT; 1min 9s ago
   Main PID: 37124 (authentication_)
      Tasks: 6 (limit: 9497)
     Memory: 100.9M
        CPU: 1.117s
     CGroup: /system.slice/auth-milter.service
             ├─37124 authentication_milter_testid:parent
             ├─37141 authentication_milter_testid:waiting(0)
             ├─37142 authentication_milter_testid:waiting(0)
             ├─37143 authentication_milter_testid:waiting(0)
             ├─37144 authentication_milter_testid:waiting(0)
             └─37145 authentication_milter_testid:waiting(0)

Oct 05 09:40:01 test authentication_milter_testid[37124]: Group Not Defined.  Defaulting to EGID '1001 1001 1007'
Oct 05 09:40:01 test authentication_milter_testid[37124]: User Not Defined.  Defaulting to EUID '1008'
Oct 05 09:40:02 test authentication_milter_testid[37124]: DMARC Preloaded PSL
Oct 05 09:40:02 test authentication_milter_testid[37141]: Child process 37141 starting up
Oct 05 09:40:02 test authentication_milter_testid[37142]: Child process 37142 starting up
Oct 05 09:40:02 test authentication_milter_testid[37143]: Child process 37143 starting up
Oct 05 09:40:02 test authentication_milter_testid[37145]: Child process 37145 starting up
Oct 05 09:40:02 test authentication_milter_testid[37144]: Child process 37144 starting up

ps: 
authmil+  327438   30036  0 Nov24 ?        00:00:01 authentication_milter_am1:processing:postenvrcpt(41)

netstat:
tcp        0      0 n.n.n.n:8892          n.n.n.n:50568         ESTABLISHED 327438/authenticati

@@ -16,6 +16,7 @@
 use Log::Dispatchouli;
 use Net::DNS::Resolver;
 use Net::IP;
+use IO::Socket;
 use Proc::ProcessTable;
 use base 'Mail::Milter::Authentication::Net::ServerPatches';
 use vars qw(@ISA);
@@ -383,6 +384,7 @@
     $PROGRAM_NAME = $Mail::Milter::Authentication::Config::IDENT . ':processing(' . $count . ')';
     $self->logdebug( 'Processing request ' . $self->{'count'} );
     $self->{'socket'} = $self->{'server'}->{'client'};
+    $self->{'socket'}->setsockopt(SOL_SOCKET, SO_KEEPALIVE, 1);

     $self->{'tracelog'} = [];

****************************************************************
Regression 'mod:Net::DNS'
****************************************************************
Name           	       Theta	      StdErr	 T-stat
[0='const']    	     -0.0000	      0.0000	  -0.48
[1='eq_0.83']  	     -0.0000	      0.0000	  -2.24
[2='eq_1.05']  	      0.0000	      0.0000	   3.50
[3='eq_1.06']  	      1.0000	      0.0000	7718567285497487.00
[4='eq_1.07']  	      1.0000	      0.0000	7718567285497485.00
[5='eq_1.10']  	      1.0000	      0.0000	7473470638328288.00
[6='eq_1.11']  	      1.0000	      0.0000	7877729747836621.00
[7='eq_1.12']  	      1.0000	      0.0000	8072270887361718.00
[8='eq_1.13']  	      1.0000	      0.0000	8386483735388949.00
[9='eq_1.14']  	      1.0000	      0.0000	8521067562021882.00

R^2= 1.000, N= 92, K= 10
****************************************************************

==> Found dependencies: Net::IP, Net::DNS, Mail::DMARC::PurePerl, Mail::DKIM, List::MoreUtils, Mail::AuthenticationResults::Header::AuthServID, Text::Table, Mail::DKIM::KeyValueList, Mail::DKIM::ARC::Verifier, Email::Sender::Simple, Mail::BIMI, Mail::DataFeed::Abusix, Mail::SPF, Mail::AuthenticationResults::Header::Entry, Date::Manip::Date, JSON::XS, Date::Format, TOML, Log::Dispatchouli, App::Cmd::Setup, Mail::DKIM::DNS, Mail::AuthenticationResults::Header, Clone, Mail::DKIM::TextWrap, Net::DNS::Resolver, Mail::AuthenticationResults, Email::Simple::Creator, Email::Date::Format, Email::Simple, Test::File::Contents, File::Slurp, Net::DNS::Resolver::Mock, Import::Into, Prometheus::Tiny::Shared, Proc::ProcessTable, Net::Server::PreFork, Mail::DKIM::Verifier, Sereal, Mail::AuthenticationResults::Header::SubEntry, Mail::AuthenticationResults::Header::Comment, Mail::DKIM::ARC::Signer
<-- snip -->
Found Mail::DataFeed::Abusix 1.20200617001 which doesn't satisfy v1.20200617.1.
<-- snip -->
! Installing the dependencies failed: Module 'Mail::DataFeed::Abusix' is not installed
! Bailing out the installation for Mail-Milter-Authentication-2.20200930.2.

[root@mx1-2019 mx-deployment]# egrep 'CCB958002F' maildebug
May 11 11:46:27 mx1-2019 postfix/smtpd[5577]: CCB958002F: client=uspmta173210.emarsys.net[195.54.173.210]
May 11 11:46:28 mx1-2019 postfix/cleanup[5395]: CCB958002F: hold: header Received: from uspmta173210.emarsys.net (uspmta173210.emarsys.net [195.54.173.210])??by mail.example.com (Postfix) with ESMTPS id CCB958002F??for <[email protected]>; Tue, 11 May 2021 11 from uspmta173210.emarsys.net[195.54.173.210]; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<uspmta173210.emarsys.net>
May 11 11:46:28 mx1-2019 postfix/cleanup[5395]: CCB958002F: message-id=<[email protected]>
May 11 11:46:28 mx1-2019 authentication_milter[131]: BAE278002B: SetSymbol: L: i: CCB958002F
May 11 11:46:28 mx1-2019 authentication_milter[131]: BAE278002B: SetSymbol: L: i: CCB958002F
May 11 11:46:28 mx1-2019 authentication_milter[131]: BAE278002B: SetSymbol: L: i: CCB958002F
May 11 11:46:28 mx1-2019 authentication_milter[131]: BAE278002B: SetSymbol: L: i: CCB958002F
May 11 11:46:28 mx1-2019 authentication_milter[131]: BAE278002B: SetSymbol: L: i: CCB958002F
May 11 11:46:28 mx1-2019 authentication_milter[131]: BAE278002B: SetSymbol: L: i: CCB958002F
May 11 11:46:28 mx1-2019 authentication_milter[131]: BAE278002B: SetSymbol: L: i: CCB958002F
May 11 11:46:28 mx1-2019 authentication_milter[131]: BAE278002B: SetSymbol: L: i: CCB958002F
May 11 11:46:28 mx1-2019 authentication_milter[131]: BAE278002B: SetSymbol: L: i: CCB958002F
May 11 11:46:28 mx1-2019 authentication_milter[131]: BAE278002B: SetSymbol: L: i: CCB958002F
May 11 11:46:28 mx1-2019 authentication_milter[131]: BAE278002B: SetSymbol: L: i: CCB958002F
May 11 11:46:28 mx1-2019 authentication_milter[131]: BAE278002B: SetSymbol: L: i: CCB958002F
May 11 11:46:28 mx1-2019 authentication_milter[131]: BAE278002B: SetSymbol: L: i: CCB958002F
May 11 11:46:28 mx1-2019 authentication_milter[131]: BAE278002B: SetSymbol: L: i: CCB958002F
May 11 11:46:28 mx1-2019 authentication_milter[131]: BAE278002B: SetSymbol: L: i: CCB958002F
May 11 11:46:28 mx1-2019 authentication_milter[131]: BAE278002B: SetSymbol: L: i: CCB958002F
May 11 11:46:28 mx1-2019 authentication_milter[131]: BAE278002B: SetSymbol: L: i: CCB958002F
May 11 11:46:28 mx1-2019 authentication_milter[131]: BAE278002B: SetSymbol: N: i: CCB958002F
May 11 11:46:28 mx1-2019 authentication_milter[131]: BAE278002B: SetSymbol: B: i: CCB958002F
May 11 11:46:28 mx1-2019 authentication_milter[131]: CCB958002F: receive command B
May 11 11:46:28 mx1-2019 authentication_milter[131]: CCB958002F: process command B
May 11 11:46:28 mx1-2019 authentication_milter[131]: CCB958002F: CALLBACK: Body
May 11 11:46:28 mx1-2019 authentication_milter[131]: CCB958002F: Timeout set: Type: content, Section: 300000000, Effective: 300000000
May 11 11:46:28 mx1-2019 authentication_milter[131]: CCB958002F: Timeout set: 300000000
May 11 11:46:28 mx1-2019 authentication_milter[131]: CCB958002F: CALLBACK: Body DKIM
May 11 11:46:28 mx1-2019 authentication_milter[131]: CCB958002F: Timeout set: 
May 11 11:46:28 mx1-2019 authentication_milter[131]: CCB958002F: send command c
May 11 11:46:28 mx1-2019 authentication_milter[131]: CCB958002F: receive command D
May 11 11:46:28 mx1-2019 authentication_milter[131]: CCB958002F: process command D
May 11 11:46:28 mx1-2019 authentication_milter[131]: CCB958002F: SetSymbol: E: i: CCB958002F
May 11 11:46:28 mx1-2019 authentication_milter[131]: CCB958002F: receive command E
May 11 11:46:28 mx1-2019 authentication_milter[131]: CCB958002F: process command E
May 11 11:46:28 mx1-2019 authentication_milter[131]: CCB958002F: CALLBACK: EOM
May 11 11:46:28 mx1-2019 authentication_milter[131]: CCB958002F: Timeout set: Type: content, Section: 300000000, Effective: 300000000
May 11 11:46:28 mx1-2019 authentication_milter[131]: CCB958002F: Timeout set: 300000000
May 11 11:46:28 mx1-2019 authentication_milter[131]: CCB958002F: CALLBACK: EOM DKIM
May 11 11:46:28 mx1-2019 authentication_milter[131]: CCB958002F: Handler timeout set: 10100000
May 11 11:46:28 mx1-2019 authentication_milter[131]: CCB958002F: Timeout reset: 299991444
May 11 11:46:28 mx1-2019 authentication_milter[131]: CCB958002F: Handler timeout set: 10100000
May 11 11:46:28 mx1-2019 authentication_milter[131]: CCB958002F: Timeout reset: 299979984
May 11 11:46:28 mx1-2019 authentication_milter[131]: CCB958002F: DKIMResult: pass
May 11 11:46:28 mx1-2019 authentication_milter[131]: CCB958002F: DKIMSignatureType: dkim
May 11 11:46:28 mx1-2019 authentication_milter[131]: CCB958002F: DKIMSignatureDomain: ctgoodjobsnews.hk
May 11 11:46:28 mx1-2019 authentication_milter[131]: CCB958002F: DKIMSignatureIdentity: [email protected]
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: DKIMSignatureResult: pass
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: DKIMSignatureType: dkim
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: DKIMSignatureDomain: emarsys.net
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: DKIMSignatureIdentity: @emarsys.net
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: DKIMSignatureResult: pass
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: Handler timeout set: 10100000
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: Timeout reset: 299889884
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: Handler timeout set: 10100000
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: Timeout reset: 299882977
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: Handler timeout set: 10100000
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: Timeout reset: 299876568
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: Handler timeout set: 10100000
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: Timeout reset: 299870341
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: DKIMPolicy: accept
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: DKIMPolicyString: o=~; n=http://www.ctgoodjobs.hk/english/terms/privacy.asp
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: DKIMPolicyLocation: ctgoodjobsnews.hk
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: DKIMPolicyName: sender
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: DKIMPolicyDefault: no
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: DKIMPolicy: accept
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: DKIMPolicyString: o=~
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: DKIMPolicyLocation: 
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: DKIMPolicyName: author
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: DKIMPolicyDefault: yes
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: DKIMPolicy: accept
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: DKIMPolicyString: 
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: DKIMPolicyLocation: 
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: DKIMPolicyName: ADSP
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: DKIMPolicyDefault: yes
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: CALLBACK: EOM DMARC
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: Object destroyed: dmarc
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: Object set: dmarc
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: Object set: dmarc
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: Handler timeout set: 10100000
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: Handler timeout set: 10100000
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: Timeout reset: 299829172
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: Timeout reset: 299827781
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: Handler timeout set: 10100000
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: Handler timeout set: 10100000
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: Timeout reset: 299820351
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: Timeout reset: 299819150
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: Handler timeout set: 10100000
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: Timeout reset: 299812994
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: Object set: dmarc_result
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: Object set: dmarc_results
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: DMARCCode: pass
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: DMARCDisposition: none
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: DMARCSubdomain: no
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: DMARCPolicy: reject default
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: CALLBACK: EOM ReturnOK
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: CALLBACK: EOM Sanitize
May 11 11:46:29 mx1-2019 authentication_milter[131]: CCB958002F: Timeout set: 
May 11 11:46:29 mx1-2019 postfix/cleanup[5395]: warning: milter unix:/unixsock/dmarc_milter.sock: can't read SMFIC_BODYEOB reply packet header: Success
May 11 11:46:29 mx1-2019 postfix/cleanup[5395]: CCB958002F: milter-reject: END-OF-MESSAGE from uspmta173210.emarsys.net[195.54.173.210]: 4.7.1 Service unavailable - try again later; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<uspmta173210.emarsys.net>

Authentication-Results: instance-name.mx.example.net;

Authentication-Results: mx.example.net;

ReportHostname clamav-milter.mx.example.net

X-Virus-Scanned: clamav-milter 0.101.0 at clamav-milter.mx.example.net

AuthservIDWithJobId   yes
AuthservID            opendkim.mx.example.net

DKIM-Filter: OpenDKIM Filter v2.7.5 some.domain.com w8OEBfva024786
Authentication-Results: opendkim.mx.example.net/42JmNK1pJ4z12wc; ...

AuthservIDWithJobID true
AuthservID opendmarc.mx.example.net

DMARC-Filter: OpenDMARC Filter v1.4.0 mx.example.net 42JmNK1pJ4z12wc
Authentication-Results: opendmarc.mx.example.net/42JmNK1pJ4z12wc; ...

Wed Jan  1 00:41:22 2020 authentication_milter[5668] Child process 5668 shutting down due to fatal error: bad packet length 50331695
Wed Jan  1 05:57:57 2020 authentication_milter[4546] Child process 4546 shutting down due to fatal error: bad packet length 4278215680
Wed Jan  1 15:22:45 2020 authentication_milter[5680] Child process 5680 shutting down due to fatal error: bad packet length 1195725856
Wed Jan  1 15:22:45 2020 authentication_milter[5628] Child process 5628 shutting down due to fatal error: bad packet length 369295616
Wed Jan  1 23:39:54 2020 authentication_milter[4555] Child process 4555 shutting down due to fatal error: bad packet length 4278215680
Thu Jan  2 02:37:24 2020 authentication_milter[4572] Child process 4572 shutting down due to fatal error: bad packet length 50331695
Thu Jan  2 07:28:03 2020 authentication_milter[5684] Child process 5684 shutting down due to fatal error: bad packet length 50331695
Thu Jan  2 20:14:04 2020 authentication_milter[4551] Child process 4551 shutting down due to fatal error: bad packet length 1195725856
Thu Jan  2 23:12:57 2020 authentication_milter[5681] Child process 5681 shutting down due to fatal error: bad packet length 50331695
Fri Jan  3 00:06:32 2020 authentication_milter[5658] Child process 5658 shutting down due to fatal error: bad packet length 4278215680

  https://github.com/fastmail/authentication_milter/issues/85

git clone https://github.com/fastmail/authentication_milter
cd authentication_milter

git checkout master
git log -n1
      1 commit e68309515957e76b5682f81501829209aae53e97 (HEAD -> master, origin/master, origin/HEAD)
      2 Merge: c747b85 49a29c9
      3 Author: Marc Bradshaw <[email protected]>
      4 Date:   Wed Nov 4 11:55:39 2020 +1100
      5
      6     Merge pull request #88 from fastmail/DequeueErr
      7
      8     Dequeue err

perl -v
	This is perl 5, version 30, subversion 3 (v5.30.3) built for x86_64-linux-thread-multi
	(with 96 registered patches, see perl -V for more detail)

perl Makefile.PL
make

==> authentication_milter.err <==
Sat Oct 16 00:09:43 2021 authentication_milter[26219] Warning: Use of uninitialized value in concatenation (.) or string at /usr/local/share/perl/5.26.1/Mail/Milter/Authentication/Handler.pm line 930.
Sat Oct 16 00:09:46 2021 authentication_milter[26219] Warning: Use of uninitialized value in concatenation (.) or string at /usr/local/share/perl/5.26.1/Mail/Milter/Authentication/Handler.pm line 722.
Sat Oct 16 00:09:47 2021 authentication_milter[26219] Warning: Use of uninitialized value in concatenation (.) or string at /usr/local/share/perl/5.26.1/Mail/Milter/Authentication/Handler.pm line 722.
Sat Oct 16 00:09:49 2021 authentication_milter[26219] Warning: Use of uninitialized value in concatenation (.) or string at /usr/local/share/perl/5.26.1/Mail/Milter/Authentication/Handler.pm line 722.

Can't locate Net/SMTPS.pm in @INC (you may need to install the Net::SMTPS module) (@INC contains: lib /etc/perl /usr/local/lib/x86_64-linux-gnu/perl/5.28.1 /usr/local/share/perl/5.28.1 /usr/lib/x86_64-linux-gnu/perl5/5.28 /usr/share /perl5 /usr/lib/x86_64-linux-gnu/perl/5.28 /usr/share/perl/5.28 /usr/local/lib/site_perl /usr/lib/x86_64-linux-gnu/perl-base) at /usr/local/share/perl/5.28.1/Mail/DMARC/Report/Send/SMTP.pm line 10.
BEGIN failed--compilation aborted at /usr/local/share/perl/5.28.1/Mail/DMARC/Report/Send/SMTP.pm line 10.
Compilation failed in require at /usr/local/share/perl/5.28.1/Mail/DMARC/Report/Send.pm line 8.
BEGIN failed--compilation aborted at /usr/local/share/perl/5.28.1/Mail/DMARC/Report/Send.pm line 8.
Compilation failed in require at /usr/local/share/perl/5.28.1/Mail/DMARC/Report.pm line 14.
Compilation failed in require at /usr/local/bin/dmarc_view_reports line 26.
BEGIN failed--compilation aborted at /usr/local/bin/dmarc_view_reports line 26.

Can't locate Net/HTTP.pm in @INC (you may need to install the Net::HTTP module) (@INC contains: lib /etc/perl /usr/local/lib/x86_64-linux-gnu/perl/5.28.1 /usr/local/share/perl/5.28.1 /usr/lib/x86_64-linux-gnu/perl5/5.28 /usr/share/p erl5 /usr/lib/x86_64-linux-gnu/perl/5.28 /usr/share/perl/5.28 /usr/local/lib/site_perl /usr/lib/x86_64-linux-gnu/perl-base) at /usr/local/share/perl/5.28.1/Mail/DMARC/Report/Send/HTTP.pm line 11.
BEGIN failed--compilation aborted at /usr/local/share/perl/5.28.1/Mail/DMARC/Report/Send/HTTP.pm line 11.
Compilation failed in require at /usr/local/share/perl/5.28.1/Mail/DMARC/Report/Send.pm line 9.
BEGIN failed--compilation aborted at /usr/local/share/perl/5.28.1/Mail/DMARC/Report/Send.pm line 9.
Compilation failed in require at /usr/local/share/perl/5.28.1/Mail/DMARC/Report.pm line 14.
Compilation failed in require at /usr/local/bin/dmarc_view_reports line 26.
BEGIN failed--compilation aborted at /usr/local/bin/dmarc_view_reports line 26.

Global shut down due to fatal error: Could not load handler DMARC : Can't locate Net/SMTPS.pm in @INC (you may need to install the Net::SMTPS module) (@INC contains: /etc/perl /usr/local/lib/x86_64-linux-gnu/perl/5.28.1 /usr/local/share/perl/5.28.1 /usr/lib/x86_64-linux-gnu/perl5/5.28 /usr/share/perl5 /usr/lib/x86_64-linux-gnu/perl/5.28 /usr/share/perl/5.28 /usr/local/lib/site_perl /usr/lib/x86_64-linux-gnu/perl-base) at /usr/local/share/perl/5.28.1/Mail/DMARC/Report/Send/SMTP.pm line 10.

Oct 16 00:35:22 testmaschine01 authentication_milter[26552]: 3371A6C150D: ERROR: DNS Lookup MX domain.de error, hold set on domain.de : query timed out
Oct 16 00:35:22 testmaschine01 authentication_milter[26552]: 3371A6C150D: ERROR: DNS Lookup MX domain.de error, hold set on domain.de : query timed out
Oct 16 00:35:22 testmaschine01 authentication_milter[26552]: 3371A6C150D: ERROR: Lookup A domain.de aborted due to previous DNS Lookup timeout on domain.de
Oct 16 00:35:22 testmaschine01 authentication_milter[26552]: 3371A6C150D: ERROR: Lookup AAAA domain.de aborted due to previous DNS Lookup timeout on domain.de
Oct 16 00:35:23 testmaschine01 authentication_milter[26552]: 3371A6C150D: ERROR: Lookup TXT domain.de aborted due to previous DNS Lookup timeout on domain.de
Oct 16 00:35:23 testmaschine01 authentication_milter[26552]: 3371A6C150D: SPFHeader: Received-SPF: temperror (domain.de: Time-out on DNS 'TXT' lookup of 'domain.de') receiver=michael01.XXXXX.de; identity=pra; pra="[email protected]"; helo=out.domain.de; client-ip=11.22.33.44
Oct 16 00:35:23 testmaschine01 authentication_milter[26552]: 3371A6C150D: ERROR: Lookup TXT dkim._domainkey.domain.de aborted due to previous DNS Lookup timeout on domain.de
Oct 16 00:35:23 testmaschine01 authentication_milter[26552]: 3371A6C150D: DKIMResult: invalid (public key: DNS error: query timed out)
Oct 16 00:35:23 testmaschine01 authentication_milter[26552]: 3371A6C150D: DKIMSignatureResult: invalid (public key: DNS error: query timed out)
Oct 16 00:35:23 testmaschine01 authentication_milter[26552]: 3371A6C150D: ERROR: Lookup TXT _domainkey.domain.de aborted due to previous DNS Lookup timeout on domain.de
Oct 16 00:35:23 testmaschine01 authentication_milter[26552]: 3371A6C150D: ERROR: Lookup TXT _policy._domainkey.domain.de aborted due to previous DNS Lookup timeout on domain.de
Oct 16 00:35:23 testmaschine01 authentication_milter[26552]: 3371A6C150D: ERROR: Lookup TXT _adsp._domainkey.domain.de aborted due to previous DNS Lookup timeout on domain.de
Oct 16 00:35:23 testmaschine01 authentication_milter[26552]: 3371A6C150D: ERROR: Lookup MX domain.de aborted due to previous DNS Lookup timeout on domain.de
Oct 16 00:35:23 testmaschine01 authentication_milter[26552]: 3371A6C150D: ERROR: DKIM EOM Error DNS error: query timed out<LF>
Oct 16 00:35:23 testmaschine01 authentication_milter[26552]: 3371A6C150D: ERROR: Temp DKIM Error - DNS error: query timed out<LF>
Oct 16 00:35:23 testmaschine01 authentication_milter[26552]: 3371A6C150D: ERROR: Lookup MX domain.de aborted due to previous DNS Lookup timeout on domain.de
Oct 16 00:35:23 testmaschine01 authentication_milter[26552]: 3371A6C150D: ERROR: Lookup NS domain.de aborted due to previous DNS Lookup timeout on domain.de
Oct 16 00:35:23 testmaschine01 authentication_milter[26552]: 3371A6C150D: ERROR: Lookup A domain.de aborted due to previous DNS Lookup timeout on domain.de
Oct 16 00:35:23 testmaschine01 authentication_milter[26552]: 3371A6C150D: ERROR: Lookup AAAA domain.de aborted due to previous DNS Lookup timeout on domain.de

"dns_resolvers"         : [
   "127.0.0.1",
   "8.8.8.8"
],

PreHeader: X-Disposition-Quarantine: Quarantined due to DMARC policy
Warning: Argument "q" isn't numeric in numeric eq (==) at /usr/local/share/perl/5.28.1/Mail/Milter/Authentication/Protocol/Milter.pm line 155. 

91037142D3F: DKIMResult: No DKIM headers
91037142D3F: SenderIdCode: none
91037142D3F: ERROR: Could not parse empty address
91037142D3F: DMARCCode: fail
91037142D3F: DMARCDisposition: quarantine
91037142D3F: DMARCSubdomain: no
91037142D3F: DMARCPolicy: quarantine default
91037142D3F: DMARCReportTo: <removed>
91037142D3F: PreHeader: Received-SPF: none
    (<removed>: No applicable sender policy available)
    receiver=<removed>;
    identity=helo;
    helo=<removed>;
    client-ip=<removed>
91037142D3F: PreHeader: Authentication-Results: <removed>;
    dkim=none (no signatures found);
    dmarc=fail policy.published-domain-policy=quarantine policy.applied-disposition=quarantine policy.evaluated-disposition=quarantine (p=quarantine,d=quarantine,d.eval=quarantine) policy.policy-from=p header.from=<removed>;
    iprev=pass smtp.remote-ip=<removed> (<removed>);
    spf=none smtp.mailfrom="" smtp.helo=<removed>;
    x-ptr=pass smtp.helo=<removed> policy.ptr=<removed>;
    x-return-mx=fail smtp.domain=localhost.localdomain policy.org_domain=localdomain policy.is_org=no policy.mx_error=NXDOMAIN policy.a_error=NXDOMAIN policy.aaaa_error=NXDOMAIN policy.org_mx_error=NOERROR policy.org_a_error=NOERROR policy.org_aaaa_error=NOERROR;
    x-return-mx=pass header.domain=<removed> policy.is_org=yes (MX Records found: <removed>)
91037142D3F: PreHeader: X-Disposition-Quarantine: Quarantined due to DMARC policy
Warning: Argument "q" isn't numeric in numeric eq (==) at /usr/local/share/perl/5.28.1/Mail/Milter/Authentication/Protocol/Milter.pm line 155.
91037142D3F: SMTPQuarantine: Quarantined due to DMARC policy

authentication_milter.json
	{

		"connection" : "inet:[email protected]",
		"protocol"  : "smtp",
		"smtp" : {
			"server_name"    : "auth-milter.mx.example.com",
			"sock_type"      : "inet",
			"sock_host"      : "127.0.0.1",
			"sock_port"      : "10002",
			"timeout_in"     : "10",
			"timeout_out"    : "10",
			"pipeline_limit" : "50",
			"queue_type"     : "before",
			"chunk_limit"    : 1048576
		},

		"debug"     : 0,
		"dryrun"    : 0,
		"hide_none" : 0,
		"logtoerr"  : 1,
		"error_log" : "/var/log/auth-milter/auth-milter.err",

		"umask"      : "0000",
		"runas"      : "auth-milter",
		"rungroup"   : "postfix-milter",
		"chroot"     : "",

		"listen_backlog"         : 20,
		"min_children"           : 1,
		"max_children"           : 5,
		"min_spare_children"     : 1,
		"max_spare_children"     : 2,
		"max_requests_per_child" : 100,

		"connect_timeout"       : 30,
		"command_timeout"       : 30,
		"content_timeout"       : 300,

		"dns_resolvers" : [
			"127.0.0.1"
		],
		"dns_timeout"   : 10,
		"dns_retry"     : 2,

		"header_indent_style" : "entry",
		"header_fold_at"      : 77,
		"header_indent_by"    : 4,

		"tempfail_on_error"               : "1",
		"tempfail_on_error_authenticated" : "0",
		"tempfail_on_error_local"         : "0",
		"tempfail_on_error_trusted"       : "0",

		"handlers" : {

			"SPF" : {
				"hide_received-spf_header" : 0,
				"hide_none"  : 0,
				"best_guess" : 0
			},
			"DKIM" : {
				"hide_none" : 0,
				"hide_domainkeys" : 1,
				"check_adsp" : 1,
				"show_default_adsp" : 0,
				"adsp_hide_none" : 0,
				"extra_properties" : 0,
				"no_strict" : 0
			},
			"!ARC" : {},
			"IPRev" : {},
			"PTR" : {},
			"DMARC" : {
				"hard_reject" : 1,
				"no_reject_disposition" : "quarantine",
				"no_list_reject" : 0,
				"arc_before_list" : 0,
				"no_list_reject_disposition" : "none",
				"reject_on_multifrom" : 20,
				"quarantine_on_multifrom" : 15,
				"skip_on_multifrom" : 10,
				"whitelisted" : [],
				"use_arc" : 0,
				"hide_none" : 0,
				"detect_list_id" : 1,
				"report_skip_to" : [],
				"no_report" : 1,
				"hide_report_to" : 0,
				"config_file" : "/usr/local/etc/auth-milter/mail-dmarc.ini"
			},

			"!SenderID" : {
				"hide_none" : 1
			},

			"!Auth" : {
			},

			"LocalIP" : {},

			"TrustedIP" : {
				"trusted_ip_list" : []
			},

			"!TLS" : {
			},

			"!AddID" : {},

			"ReturnOK" : {"_comment" : "no cfg"},

			"Sanitize" : {
				"hosts_to_remove" : [
				],
				"remove_headers" : "yes"
			},
		}
	}

	systemctl start auth-milter

	Mon Oct  5 11:44:44 2020 authentication_milter_mx[2834] daemonize servers=1/5 spares=1/2 requests=100
	Mon Oct  5 11:44:44 2020 authentication_milter_mx[2834] run as user=auth-milter group=postfix-milter
	Mon Oct  5 11:44:44 2020 authentication_milter_mx[2834] Chroot to 
	Mon Oct  5 11:44:44 2020 authentication_milter_mx[2834] listening on inet host=127.0.0.1 port=10001 backlog=20
	Mon Oct  5 11:44:44 2020 authentication_milter_mx[2834] ==========
	Mon Oct  5 11:44:44 2020 authentication_milter_mx[2834] Starting server
	Mon Oct  5 11:44:44 2020 authentication_milter_mx[2834] Running with perl v5.30.3
	Mon Oct  5 11:44:44 2020 authentication_milter_mx[2834] ==========
	Mon Oct  5 11:44:44 2020 authentication_milter_mx[2911] Child process 2911 starting up
	Mon Oct  5 11:44:44 2020 authentication_milter_mx[2911] Child process 2911 signalling global shut down due to fatal error: Could not build order list
	Mon Oct  5 11:44:44 2020 authentication_milter_mx[2911] Child exiting
	Unrecognized signal name "Term" at /usr/local/share/perl5/5.30/Mail/Milter/Authentication.pm line 903.
			...propagated at /usr/local/share/perl5/5.30/Mail/Milter/Authentication.pm line 860.

	Mon Oct  5 11:44:44 2020 authentication_milter_mx[2912] Child process 2912 starting up
	Mon Oct  5 11:44:44 2020 authentication_milter_mx[2912] Child process 2912 signalling global shut down due to fatal error: Could not build order list
	Mon Oct  5 11:44:44 2020 authentication_milter_mx[2912] Child exiting
	Unrecognized signal name "Term" at /usr/local/share/perl5/5.30/Mail/Milter/Authentication.pm line 903.
			...propagated at /usr/local/share/perl5/5.30/Mail/Milter/Authentication.pm line 860.
	Mon Oct  5 11:44:44 2020 authentication_milter_mx[2913] Child process 2913 starting up
	Mon Oct  5 11:44:44 2020 authentication_milter_mx[2913] Child process 2913 signalling global shut down due to fatal error: Could not build order list
	Mon Oct  5 11:44:44 2020 authentication_milter_mx[2913] Child exiting
	Unrecognized signal name "Term" at /usr/local/share/perl5/5.30/Mail/Milter/Authentication.pm line 903.
			...propagated at /usr/local/share/perl5/5.30/Mail/Milter/Authentication.pm line 860.
	Mon Oct  5 11:44:44 2020 authentication_milter_mx[2914] Child process 2914 starting up
	Mon Oct  5 11:44:44 2020 authentication_milter_mx[2914] Child process 2914 signalling global shut down due to fatal error: Could not build order list
	Mon Oct  5 11:44:44 2020 authentication_milter_mx[2914] Child exiting
	Unrecognized signal name "Term" at /usr/local/share/perl5/5.30/Mail/Milter/Authentication.pm line 903.
			...propagated at /usr/local/share/perl5/5.30/Mail/Milter/Authentication.pm line 860.
	Mon Oct  5 11:44:44 2020 authentication_milter_mx[2915] Child process 2915 starting up
	Mon Oct  5 11:44:44 2020 authentication_milter_mx[2915] Child process 2915 signalling global shut down due to fatal error: Could not build order list
	Mon Oct  5 11:44:44 2020 authentication_milter_mx[2915] Child exiting
	...

-		"IPRev" : {},
+		"!IPRev" : {},

	Mon Oct  5 11:42:23 2020 authentication_milter_mx[2667] Child process 2667 starting up
	Mon Oct  5 11:42:51 2020 authentication_milter_mx[2667] 618C45BCAEC: SMTP Transaction count: 1.1
!!	Mon Oct  5 11:42:51 2020 authentication_milter_mx[2667] 618C45BCAEC: ERROR: PTR Config Error: IPRev is missing 
	Mon Oct  5 11:42:51 2020 authentication_milter_mx[2667] 618C45BCAEC: SPFCode: pass
	Mon Oct  5 11:42:51 2020 authentication_milter_mx[2667] 618C45BCAEC: DKIMResult: pass
	Mon Oct  5 11:42:51 2020 authentication_milter_mx[2667] 618C45BCAEC: DMARCCode: pass
	Mon Oct  5 11:42:51 2020 authentication_milter_mx[2667] 618C45BCAEC: DMARCDisposition: none
	Mon Oct  5 11:42:51 2020 authentication_milter_mx[2667] 618C45BCAEC: DMARCSubdomain: no
	Mon Oct  5 11:42:51 2020 authentication_milter_mx[2667] 618C45BCAEC: DMARCPolicy: none default
!!	Mon Oct  5 11:42:51 2020 authentication_milter_mx[2667] 618C45BCAEC: ERROR: DMARC Error Can't call method "binip" on an undefined value at /usr/share/perl5/vendor_perl/Net/IP.pm line 761.
	Mon Oct  5 11:42:51 2020 authentication_milter_mx[2667] 618C45BCAEC: PreHeader: Received-SPF: pass
	Mon Oct  5 11:42:51 2020 authentication_milter_mx[2667]     (fastmail.fm: Sender is authorized to use '#####@fastmail.fm' in 'mfrom' identity (mechanism 'include:spf.messagingengine.com' matched))
	Mon Oct  5 11:42:51 2020 authentication_milter_mx[2667]     receiver=auth-milter.mx.example.com;
	Mon Oct  5 11:42:51 2020 authentication_milter_mx[2667]     identity=mailfrom;
	Mon Oct  5 11:42:51 2020 authentication_milter_mx[2667]     envelope-from="#####@fastmail.fm";
	Mon Oct  5 11:42:51 2020 authentication_milter_mx[2667]     helo=wout3-smtp.messagingengine.com;
	Mon Oct  5 11:42:51 2020 authentication_milter_mx[2667]     client-ip=64.147.123.19
	Mon Oct  5 11:42:51 2020 authentication_milter_mx[2667] 618C45BCAEC: PreHeader: Authentication-Results: auth-milter.mx.example.com;
	Mon Oct  5 11:42:51 2020 authentication_milter_mx[2667]     dkim-adsp=pass (ADSP policy from fastmail.fm);
	Mon Oct  5 11:42:51 2020 authentication_milter_mx[2667]     dkim=pass (2048-bit rsa key sha256) header.d=fastmail.fm
	Mon Oct  5 11:42:51 2020 authentication_milter_mx[2667]       [email protected] header.b=oB8IKenq header.a=rsa-sha256
	Mon Oct  5 11:42:51 2020 authentication_milter_mx[2667]       header.s=fm1;
	Mon Oct  5 11:42:51 2020 authentication_milter_mx[2667]     dkim=pass (2048-bit rsa key sha256) header.d=messagingengine.com
	Mon Oct  5 11:42:51 2020 authentication_milter_mx[2667]       [email protected] header.b=MUQDcOMs header.a=rsa-sha256
	Mon Oct  5 11:42:51 2020 authentication_milter_mx[2667]       header.s=fm1;
	Mon Oct  5 11:42:51 2020 authentication_milter_mx[2667]     dmarc=temperror header.from=fastmail.fm;
	Mon Oct  5 11:42:51 2020 authentication_milter_mx[2667]     spf=pass smtp.mailfrom=#####@fastmail.fm
	Mon Oct  5 11:42:51 2020Mon Oct  5 11:42:51 2020 authentication_milter_mx[2725] Child process 2725 starting up
	Mon Oct  5 11:43:22 2020 authentication_milter_mx[2725] Child process 2725 shutting down
	Mon Oct  5 11:43:32 2020 authentication_milter_mx[2754] Dequeue process 2754 starting up
	Mon Oct  5 11:43:32 2020 authentication_milter_mx[2754] DEQUEUE.4CD80E81382: Dequeue process 2754 shutting down

    #   Failed test 'Metrics authmilter_forked_children_total{ident="test_authentication_milter_test"}'
    #   at /home/cpansand/.cpan/build/2018050103/Mail-Milter-Authentication-2.20180430-0/blib/lib/Mail/Milter/Authentication/Tester.pm line 140.
    #          got: '22'
    #     expected: '2'
    # Looks like you failed 1 test of 84.

#   Failed test 'data/metrics/milter_1.json'
#   at /home/cpansand/.cpan/build/2018050103/Mail-Milter-Authentication-2.20180430-0/blib/lib/Mail/Milter/Authentication/Tester.pm line 165.
... (snip more similar errors) ...

SMTP Send expected 250 received 421 4.3.2 Pipeline limit reached
 when sending RSET at /home/cpansand/.cpan/build/2018050103/Mail-Milter-Authentication-2.20180430-0/blib/lib/Mail/Milter/Authentication/Tester.pm line 420, <GEN1> line 38.

    #   Failed test 'Metrics authmilter_forked_children_total{ident="test_authentication_milter_test"}'
    #   at /home/cpansand/.cpan/build/2018050103/Mail-Milter-Authentication-2.20180430-0/blib/lib/Mail/Milter/Authentication/Tester.pm line 140.
    #          got: '27'
    #     expected: '2'
    # Looks like you failed 1 test of 91.
... (snip) ...

ERROR: Connect callback error ***  FATAL PROGRAM ERROR!!    Unknown method 'defined'
***  which the program has attempted to call for the object:
***
    ;; EDNS version 0
;;  flags:  0000
;;  rcode:  NOERROR
;;  size:   1240
;;  option: 

***
***  The 1388 Net::DNS::RR::OPT object has no method 'defined'
***  THIS IS A BUG IN THE CALLING SOFTWARE, which incorrectly assumes
***  that the object would be of a particular type.  The type of an
***  object should be checked before calling any of its methods.
 at /usr/local/share/perl/5.20.2/Net/DNS/Packet.pm line 197.
    Net::DNS::Packet::encode called at /usr/local/share/perl/5.20.2/Net/DNS/Packet.pm line 187
    Net::DNS::Packet::data(Net::DNS::Packet=HASH(0x6d2e880)) called at /usr/local/share/perl/5.20.2/Net/DNS/Resolver/Base.pm line 495
    Net::DNS::Resolver::Base::send(Net::DNS::Resolver=HASH(0x6d37970), "2607:f8b0:4001:0c05:0000:0000:0000:0232", "PTR") called at /usr/local/share/perl/5.20.2/Mail/Milter/Authentication/DNSCache.pm line 123
    Net::DNS::Resolver::cache_lookup(Net::DNS::Resolver=HASH(0x6d37970), "send", "2607:f8b0:4001:0c05:0000:0000:0000:0232", "PTR") called at /usr/local/share/perl/5.20.2/Mail/Milter/Authentication/DNSCache.pm line 42
    Net::DNS::Resolver::send(Net::DNS::Resolver=HASH(0x6d37970), "2607:f8b0:4001:0c05:0000:0000:0000:0232", "PTR") called at /usr/local/share/perl/5.20.2/Net/DNS/Resolver/Base.pm line 485
    Net::DNS::Resolver::Base::query(Net::DNS::Resolver=HASH(0x6d37970), "2607:f8b0:4001:0c05:0000:0000:0000:0232", "PTR") called at /usr/local/share/perl/5.20.2/Mail/Milter/Authentication/DNSCache.pm line 126
    Net::DNS::Resolver::cache_lookup(Net::DNS::Resolver=HASH(0x6d37970), "query", "2607:f8b0:4001:0c05:0000:0000:0000:0232", "PTR") called at /usr/local/share/perl/5.20.2/Mail/Milter/Authentication/DNSCache.pm line 48
    Net::DNS::Resolver::query(Net::DNS::Resolver=HASH(0x6d37970), "2607:f8b0:4001:0c05:0000:0000:0000:0232", "PTR") called at /usr/local/share/perl/5.20.2/Mail/Milter/Authentication/Handler/IPRev.pm line 54
    Mail::Milter::Authentication::Handler::IPRev::connect_callback(Mail::Milter::Authentication::Handler::IPRev=HASH(0x6d90078), "mail-ig0-x232.google.com", Net::IP=HASH(0x6d54660)) called at /usr/local/share/perl/5.20.2/Mail/Milter/Authentication/Handler.pm line 62
    eval {...} called at /usr/local/share/perl/5.20.2/Mail/Milter/Authentication/Handler.pm line 50
    Mail::Milter::Authentication::Handler::top_connect_callback(Mail::Milter::Authentication::Handler=HASH(0x6d48048), "mail-ig0-x232.google.com", Net::IP=HASH(0x6d54660)) called at /usr/local/share/perl/5.20.2/Mail/Milter/Authentication/Protocol/Milter.pm line 52
    Mail::Milter::Authentication::Protocol::Milter::milter_process_command(Mail::Milter::Authentication=HASH(0x43ef7e8), "C", "mail-ig0-x232.google.com\x{0}6\x{86}\x{7f}2607:f8b0:4001:c05::232\x{0}") called at /usr/local/share/perl/5.20.2/Mail/Milter/Authentication/Protocol/Milter.pm line 35
    Mail::Milter::Authentication::Protocol::Milter::protocol_process_request(Mail::Milter::Authentication=HASH(0x43ef7e8)) called at /usr/local/share/perl/5.20.2/Mail/Milter/Authentication.pm line 236
    Mail::Milter::Authentication::process_request(Mail::Milter::Authentication=HASH(0x43ef7e8), Net::Server::Proto::TCP=GLOB(0x6d23c88)) called at /usr/local/share/perl/5.20.2/Net/Server.pm line 74
    Net::Server::run_client_connection(Mail::Milter::Authentication=HASH(0x43ef7e8)) called at /usr/local/share/perl/5.20.2/Net/Server/PreFork.pm line 229
    eval {...} called at /usr/local/share/perl/5.20.2/Net/Server/PreFork.pm line 229
    Net::Server::PreFork::run_child(Mail::Milter::Authentication=HASH(0x43ef7e8)) called at /usr/local/share/perl/5.20.2/Net/Server/PreFork.pm line 187
    Net::Server::PreFork::run_n_children(Mail::Milter::Authentication=HASH(0x43ef7e8), 1) called at /usr/local/share/perl/5.20.2/Net/Server/PreFork.pm line 375
    Net::Server::PreFork::coordinate_children(Mail::Milter::Authentication=HASH(0x43ef7e8)) called at /usr/local/share/perl/5.20.2/Net/Server/PreFork.pm line 331
    Net::Server::PreFork::run_parent(Mail::Milter::Authentication=HASH(0x43ef7e8)) called at /usr/local/share/perl/5.20.2/Net/Server/PreFork.pm line 113
    Net::Server::PreFork::loop(Mail::Milter::Authentication=HASH(0x43ef7e8)) called at /usr/local/share/perl/5.20.2/Net/Server.pm line 60
    Net::Server::run("Mail::Milter::Authentication", "user", "nobody", "group", "nogroup", "syslog_facility", 16, "port", ARRAY(0x2556408), ...) called at /usr/local/share/perl/5.20.2/Mail/Milter/Authentication.pm line 417
    Mail::Milter::Authentication::start(HASH(0x2395e78)) called at /usr/local/bin/authentication_milter line 51
Oct  1 02:56:09 mithrim authentication_milter[22060]: --: ERROR: TempFail set

	{
		"debug"     : 0,
		"dryrun"    : 0,
		"logtoerr"  : 0,
		"error_log" : "/var/log/fm-auth-milter/fm-auth-milter.err",
		"errors_headers" : {},
		"log_dispatchouli" : {
			"ident"    : "fm-auth-milter",
			"facility" : "mail",
			"priority" : "emergency",
		},

	...
	Nov 03 08:41:41 mx03 postfix/postscreen-internal/smtpd[47044]: NOQUEUE: client=mail10-1.sender01.com[111.222.111.222]
	Nov 03 08:41:41 mx03 fm-auth-milter[47095]: B0665AE6539: SMTP Transaction count: 1.1
	Nov 03 08:41:41 mx03 fm-auth-milter[47095]: B0665AE6539: SPFCode: pass
	Nov 03 08:41:41 mx03 fm-auth-milter[47095]: B0665AE6539: EncryptedAs: TLSv1.2, ECDHE-RSA-AES256-GCM-SHA384, 256/256 bits
	Nov 03 08:41:41 mx03 fm-auth-milter[47095]: B0665AE6539: ARCResult: No ARC headers
	Nov 03 08:41:42 mx03 fm-auth-milter[47095]: B0665AE6539: DKIMResult: pass
	Nov 03 08:41:42 mx03 fm-auth-milter[47095]: B0665AE6539: DMARCCode: pass
	Nov 03 08:41:42 mx03 fm-auth-milter[47095]: B0665AE6539: DMARCDisposition: none
	Nov 03 08:41:42 mx03 fm-auth-milter[47095]: B0665AE6539: DMARCSubdomain: no
	Nov 03 08:41:42 mx03 fm-auth-milter[47095]: B0665AE6539: DMARCPolicy: reject default
	Nov 03 08:41:42 mx03 fm-auth-milter[47095]: B0665AE6539: DMARCReportTo (skipped): mailto:[email protected]
	Nov 03 08:41:42 mx03 fm-auth-milter[47095]: B0665AE6539: PreHeader: Received-SPF: pass<LF>    (sender01.com: Sender is authorized to use '[email protected]' in 'mfrom' identity (mechanism 'include:_spf.sender01.com' matched))<LF>    receiver=auth-milter.mx.example.com;<LF>    identity=mailfrom;<LF>    envelope-from="[email protected]";<LF>    helo=mail10-1.sender01.com;<LF>    client-ip=111.222.111.222
	...

A New Cryptographic Signature Method for DomainKeys Identified Mail (DKIM)
https://datatracker.ietf.org/doc/html/rfc8463

https://datatracker.ietf.org/doc/html/rfc8463#section-5

  5. Choice and Strength of Keys and Algorithms

     Section 3.3 of [RFC6376] describes DKIM's hash and signature
     algorithms. It is updated as follows:

     Signers SHOULD implement and verifiers MUST implement the Ed25519-SHA256 algorithm.
                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Authentication-Results: mx6.messagingengine.com;
    dkim=invalid (unsupported algorithm ed25519-sha256, 0-bit key)

https://bugs.launchpad.net/dkimpy-milter/+bug/1901569/comments/6

perl -v
	This is perl 5, version 36, subversion 1 (v5.36.1) built for x86_64-linux-thread-multi

module_info  Mail::Milter::Authentication
	Name:        Mail::Milter::Authentication
	Version:     undef
	Directory:   /usr/local/share/perl5/5.36
	File:        /usr/local/share/perl5/5.36/Mail/Milter/Authentication.pm
	Core module: no

cpan -D  Mail::Milter::Authentication
	M/MB/MBRADSHAW/Mail-Milter-Authentication-3.20230214.tar.gz
	/usr/local/share/perl5/5.36/Mail/Milter/Authentication.pm
	Installed: 3.20230214
	CPAN:      3.20230214  up to date
	Marc Bradshaw (MBRADSHAW)
	[email protected]

mail log

	...
	2023-05-11T07:46:39.116458-04:00 mail fm-auth-milter[9352]: Warning: deprecated method; prefer $rr->rdstring() at /usr/local/share/perl5/5.36/Mail/Milter/Authentication/Handler/IPRev.pm line 78.<LF>
	...

20160525114544pm._domainkey.paddle.com descriptive text "k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCJ6rcSjbkJ/G7dApE4FynJ6jTYI2pKgE9QVDAf0OLpg6WdvtwqyKaayHcqrIljorgs9jZjhQbdF14e1DGcTXPJF8m0tfeQeeNgP5PaHel0plhLJDpT964zfZaUEr5NLeE0fkMZ16CiAyB8ZpH4y4m8FK5O5HGvkAuTgmfF4bVYhwIDAQAB"

<dkim>
	<domain>paddle.com</domain>
	<selector>20160525114544pm</selector>
	<result>temperror</result>
	<human_result>invalid (unsupported algorithm rsa-sha1)</human_result>
</dkim>

#   Failed test 'use Mail::Milter::Authentication::Tester::HandlerTester;'
#   at t/00-load.t line 43.
#     Tried to use 'Mail::Milter::Authentication::Tester::HandlerTester'.
#     Error:  Global symbol "$protocol" requires explicit package name at lib/Mail/Milter/Authentication/Tester/HandlerTester.pm line 105.
# Global symbol "$config" requires explicit package name at lib/Mail/Milter/Authentication/Tester/HandlerTester.pm line 105.
...
# Compilation failed in require at t/00-load.t line 43.
# BEGIN failed--compilation aborted at t/00-load.t line 43.
Bailout called.  Further testing stopped:  # Looks like you failed 1 test of 28.
FAILED--Further testing stopped: *** [test_dynamic] Error code 1

Can't call method "can" on unblessed reference at /usr/local/share/perl/5.20.2/Mail/Milter/Authentication/Handler.pm line 1235.
        ...propagated at /usr/local/share/perl/5.20.2/Mail/Milter/Authentication.pm line 773.

postconf mail_version
	mail_version = 3.7.3
perldoc Mail::Milter::Authentication | grep version
    version 3.20221006
perldoc Mail::AuthenticationResults | grep version
    version 2.20210915

...
"connection" : "inet:[email protected]",
"protocol"  : "smtp",
"smtp" : {
    "sock_type"      : "inet",
    "sock_host"      : "127.0.0.1",
    "sock_port"      : "13002",
...

xzegrep "Error parsing existing Authentication-Results" /var/log/postfix/*
	/var/log/postfix/postfix.log:2022-10-31T16:34:48.894462-04:00 mx auth-milter[17515]: 68EC8710EE0: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log:2022-11-03T10:16:26.149537-04:00 mx auth-milter[57659]: 5089DFF7AF5: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-08-28.1661659229.xz:2022-08-22T08:41:53.537327-04:00 mx auth-milter[21209]: 90CFEF582D9: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-08-28.1661659229.xz:2022-08-22T10:04:50.698366-04:00 mx auth-milter[21709]: 96EDC557783: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-08-28.1661659229.xz:2022-08-22T10:08:16.097963-04:00 mx auth-milter[21709]: 07408B1E56F: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-08-28.1661659229.xz:2022-08-22T10:08:48.869560-04:00 mx auth-milter[21709]: 9553A2A7568: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-08-28.1661659229.xz:2022-08-22T13:02:21.074580-04:00 mx auth-milter[24515]: DC02033FB0B: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-08-28.1661659229.xz:2022-08-22T13:03:56.212376-04:00 mx auth-milter[24515]: 24558D0D89B: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-08-28.1661659229.xz:2022-08-22T13:04:20.029124-04:00 mx auth-milter[25961]: CBB0493C955: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-08-28.1661659229.xz:2022-08-22T13:08:22.718071-04:00 mx auth-milter[25961]: D7F3D12C3E0: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-08-28.1661659229.xz:2022-08-23T12:23:42.528556-04:00 mx auth-milter[42222]: 56ECEF86232: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-08-28.1661659229.xz:2022-08-25T13:16:34.563293-04:00 mx auth-milter[20060]: 07E0FEF2967: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-08-28.1661659229.xz:2022-08-26T14:10:47.090196-04:00 mx auth-milter[36469]: A2B0FED3556: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-09-04.1662264028.xz:2022-08-29T10:58:08.670426-04:00 mx auth-milter[7061]: 2F703348A8D: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-09-04.1662264028.xz:2022-08-29T14:22:20.887090-04:00 mx auth-milter[7061]: C70F657EE35: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-09-04.1662264028.xz:2022-08-29T14:24:38.084955-04:00 mx auth-milter[7061]: 244B3E717CB: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-09-04.1662264028.xz:2022-08-31T10:51:47.477692-04:00 mx auth-milter[1275]: AA9ACB33A29: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-09-11.1662868813.xz:2022-09-09T10:53:16.548924-04:00 mx auth-milter[2068]: FF31F81A1D4: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-09-11.1662868813.xz:2022-09-09T11:59:02.169721-04:00 mx auth-milter[27548]: 06066B42B10: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-09-11.1662868813.xz:2022-09-09T11:59:06.094647-04:00 mx auth-milter[32072]: 2CDEDBC5531: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-09-11.1662868813.xz:2022-09-09T12:48:59.767220-04:00 mx auth-milter[36194]: 212AFE13BCA: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-09-11.1662868813.xz:2022-09-09T13:25:27.724977-04:00 mx auth-milter[38529]: 60C59646413: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-09-11.1662868813.xz:2022-09-09T14:36:18.746841-04:00 mx auth-milter[38529]: 351DA73B73D: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-09-18.1663473614.xz:2022-09-12T12:44:13.928952-04:00 mx auth-milter[7648]: BBD8CFC25A9: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-09-18.1663473614.xz:2022-09-12T12:44:16.298193-04:00 mx auth-milter[15580]: 0A7536F682C: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-09-18.1663473614.xz:2022-09-13T18:34:48.752871-04:00 mx auth-milter[27275]: 9E444AD5858: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-09-18.1663473614.xz:2022-09-14T11:54:18.638117-04:00 mx auth-milter[16240]: 7A9D1925063: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-09-18.1663473614.xz:2022-09-14T19:19:45.233662-04:00 mx auth-milter[43719]: B5968D954A9: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-09-18.1663473614.xz:2022-09-14T19:20:02.774937-04:00 mx auth-milter[54070]: AE24EAA8B75: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-09-18.1663473614.xz:2022-09-16T13:39:12.846368-04:00 mx auth-milter[16230]: 2257A38FCE7: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-09-25.1664078417.xz:2022-09-18T17:29:18.834628-04:00 mx auth-milter[9177]: 0FE2A87143D: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-09-25.1664078417.xz:2022-09-23T14:47:41.737315-04:00 mx auth-milter[17873]: A569D1FC448: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-10-02.1664683222.xz:2022-09-27T11:35:59.071332-04:00 mx auth-milter[1267]: 8269C9F3A02: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-10-16.1665892800.xz:2022-10-12T16:49:15.949376-04:00 mx auth-milter[55103]: 941068380E5: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-10-16.1665892800.xz:2022-10-14T15:21:47.241173-04:00 mx auth-milter[50437]: F17C7B363F8: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-10-23.1666497627.xz:2022-10-19T16:15:55.156844-04:00 mx auth-milter[1257]: 05E88460520: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-10-23.1666497627.xz:2022-10-20T10:58:28.040895-04:00 mx auth-milter[54766]: 3D6854E253F: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-10-30.1667102429:2022-10-24T12:44:26.502992-04:00 mx auth-milter[55576]: B543C16ABAD: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-10-30.1667102429:2022-10-24T12:45:30.407654-04:00 mx auth-milter[57304]: FB2B62C80F6: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-10-30.1667102429:2022-10-24T12:58:11.491135-04:00 mx auth-milter[57325]: C14B60A68ED: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-10-30.1667102429:2022-10-26T07:40:11.421695-04:00 mx auth-milter[19755]: 0FD2282B1A3: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-10-30.1667102429:2022-10-26T07:40:20.095785-04:00 mx auth-milter[25725]: 260060E06CB: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-10-30.1667102429:2022-10-26T10:44:56.512599-04:00 mx auth-milter[25776]: 7E1E37D8E28: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-10-30.1667102429:2022-10-27T14:18:27.747462-04:00 mx auth-milter[39932]: 790DB91AE64: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-10-30.1667102429:2022-10-27T14:18:27.975851-04:00 mx auth-milter[46515]: 92324DF1886: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-10-30.1667102429:2022-10-27T14:18:28.721956-04:00 mx auth-milter[46516]: 6D2AFA9A65E: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>
	/var/log/postfix/postfix.log.2022-10-30.1667102429:2022-10-27T14:18:29.183217-04:00 mx auth-milter[46529]: E0171B37D5C: ERROR: Error parsing existing Authentication-Results header: unexpected token at /usr/local/share/perl5/5.34/Mail/Milter/Authentication/Handler/Sanitize.pm line 129.<LF>

https://github.com/fastmail/authentication_milter/blob/master/lib/Mail/Milter/Authentication/Handler/Sanitize.pm#L129