init III
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323
Perl OTRS/Kernel/cpan-lib/Sisimai/Bite/Email/qmail.pm
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323
Perl OTRS/Kernel/cpan-lib/Sisimai/Bite/Email/qmail.pm
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package Sisimai::Bite::Email::qmail;
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use parent 'Sisimai::Bite::Email';
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use feature ':5.10';
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use strict;
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use warnings;
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my $Indicators = __PACKAGE__->INDICATORS;
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my $StartingOf = {
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# qmail-remote.c:248| if (code >= 500) {
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# qmail-remote.c:249| out("h"); outhost(); out(" does not like recipient.\n");
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# qmail-remote.c:265| if (code >= 500) quit("D"," failed on DATA command");
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# qmail-remote.c:271| if (code >= 500) quit("D"," failed after I sent the message");
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#
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# Characters: K,Z,D in qmail-qmqpc.c, qmail-send.c, qmail-rspawn.c
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# K = success, Z = temporary error, D = permanent error
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'message' => ['Hi. This is the qmail'],
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'rfc822' => ['--- Below this line is a copy of the message.'],
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'error' => ['Remote host said:'],
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};
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my $ReSMTP = {
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# Error text regular expressions which defined in qmail-remote.c
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# qmail-remote.c:225| if (smtpcode() != 220) quit("ZConnected to "," but greeting failed");
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'conn' => qr/(?:Error:)?Connected to .+ but greeting failed[.]/,
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# qmail-remote.c:231| if (smtpcode() != 250) quit("ZConnected to "," but my name was rejected");
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'ehlo' => qr/(?:Error:)?Connected to .+ but my name was rejected[.]/,
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# qmail-remote.c:238| if (code >= 500) quit("DConnected to "," but sender was rejected");
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# reason = rejected
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'mail' => qr/(?:Error:)?Connected to .+ but sender was rejected[.]/,
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# qmail-remote.c:249| out("h"); outhost(); out(" does not like recipient.\n");
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# qmail-remote.c:253| out("s"); outhost(); out(" does not like recipient.\n");
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# reason = userunknown
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'rcpt' => qr/(?:Error:)?.+ does not like recipient[.]/,
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# qmail-remote.c:265| if (code >= 500) quit("D"," failed on DATA command");
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# qmail-remote.c:266| if (code >= 400) quit("Z"," failed on DATA command");
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# qmail-remote.c:271| if (code >= 500) quit("D"," failed after I sent the message");
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# qmail-remote.c:272| if (code >= 400) quit("Z"," failed after I sent the message");
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'data' => qr{(?:
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(?:Error:)?.+[ ]failed[ ]on[ ]DATA[ ]command[.]
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|(?:Error:)?.+[ ]failed[ ]after[ ]I[ ]sent[ ]the[ ]message[.]
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)
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}x,
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};
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my $ReHost = qr{(?:
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# qmail-remote.c:261| if (!flagbother) quit("DGiving up on ","");
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Giving[ ]up[ ]on[ ](.+[0-9a-zA-Z])[.]?\z
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|Connected[ ]to[ ]([-0-9a-zA-Z.]+[0-9a-zA-Z])[ ]
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|remote[ ]host[ ]([-0-9a-zA-Z.]+[0-9a-zA-Z])[ ]said:
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)
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}x;
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# qmail-send.c:922| ... (&dline[c],"I'm not going to try again; this message has been in the queue too long.\n")) nomem();
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my $HasExpired = 'this message has been in the queue too long.';
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# qmail-remote-fallback.patch
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my $ReCommands = qr/Sorry, no SMTP connection got far enough; most progress was ([A-Z]{4}) /;
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my $ReIsOnHold = qr/\A[^ ]+ does not like recipient[.][ \t]+.+this message has been in the queue too long[.]\z/;
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my $FailOnLDAP = {
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# qmail-ldap-1.03-20040101.patch:19817 - 19866
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'suspend' => ['Mailaddress is administrative?le?y disabled'], # 5.2.1
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'userunknown' => ['Sorry, no mailbox here by that name'], # 5.1.1
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'exceedlimit' => ['The message exeeded the maximum size the user accepts'], # 5.2.3
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'systemerror' => [
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'Automatic homedir creator crashed', # 4.3.0
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'Illegal value in LDAP attribute', # 5.3.5
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'LDAP attribute is not given but mandatory', # 5.3.5
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'Timeout while performing search on LDAP server', # 4.4.3
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'Too many results returned but needs to be unique', # 5.3.5
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'Permanent error while executing qmail-forward', # 5.4.4
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'Temporary error in automatic homedir creation', # 4.3.0 or 5.3.0
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'Temporary error while executing qmail-forward', # 4.4.4
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'Temporary failure in LDAP lookup', # 4.4.3
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'Unable to contact LDAP server', # 4.4.3
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'Unable to login into LDAP server, bad credentials',# 4.4.3
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],
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};
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my $MessagesOf = {
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# qmail-local.c:589| strerr_die1x(100,"Sorry, no mailbox here by that name. (#5.1.1)");
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# qmail-remote.c:253| out("s"); outhost(); out(" does not like recipient.\n");
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'userunknown' => [
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'no mailbox here by that name',
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'does not like recipient.',
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],
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# error_str.c:192| X(EDQUOT,"disk quota exceeded")
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'mailboxfull' => ['disk quota exceeded'],
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# qmail-qmtpd.c:233| ... result = "Dsorry, that message size exceeds my databytes limit (#5.3.4)";
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# qmail-smtpd.c:391| ... out("552 sorry, that message size exceeds my databytes limit (#5.3.4)\r\n"); return;
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'mesgtoobig' => ['Message size exceeds fixed maximum message size:'],
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# qmail-remote.c:68| Sorry, I couldn't find any host by that name. (#4.1.2)\n"); zerodie();
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# qmail-remote.c:78| Sorry, I couldn't find any host named ");
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'hostunknown' => ["Sorry, I couldn't find any host "],
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'systemfull' => ['Requested action not taken: mailbox unavailable (not enough free space)'],
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'systemerror' => [
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'bad interpreter: No such file or directory',
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'system error',
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'Unable to',
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],
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'networkerror'=> [
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"Sorry, I wasn't able to establish an SMTP connection",
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"Sorry, I couldn't find a mail exchanger or IP address",
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"Sorry. Although I'm listed as a best-preference MX or A for that host",
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],
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};
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sub description { 'qmail' }
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sub scan {
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# Detect an error from qmail
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# @param [Hash] mhead Message headers of a bounce email
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# @options mhead [String] from From header
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# @options mhead [String] date Date header
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# @options mhead [String] subject Subject header
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# @options mhead [Array] received Received headers
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# @options mhead [String] others Other required headers
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# @param [String] mbody Message body of a bounce email
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# @return [Hash, Undef] Bounce data list and message/rfc822 part
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# or Undef if it failed to parse or the
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# arguments are missing
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# @since v4.0.0
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my $class = shift;
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my $mhead = shift // return undef;
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my $mbody = shift // return undef;
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my $match = 0;
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my $tryto = qr/\A[(]qmail[ ]+\d+[ ]+invoked[ ]+(?:for[ ]+bounce|from[ ]+network)[)]/;
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# Pre process email headers and the body part of the message which generated
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# by qmail, see http://cr.yp.to/qmail.html
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# e.g.) Received: (qmail 12345 invoked for bounce); 29 Apr 2009 12:34:56 -0000
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# Subject: failure notice
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$match ||= 1 if $mhead->{'subject'} eq 'failure notice';
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$match ||= 1 if grep { $_ =~ $tryto } @{ $mhead->{'received'} };
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return undef unless $match;
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my $dscontents = [__PACKAGE__->DELIVERYSTATUS];
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my @hasdivided = split("\n", $$mbody);
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my $rfc822part = ''; # (String) message/rfc822-headers part
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my $rfc822list = []; # (Array) Each line in message/rfc822 part string
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my $blanklines = 0; # (Integer) The number of blank lines
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my $readcursor = 0; # (Integer) Points the current cursor position
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my $recipients = 0; # (Integer) The number of 'Final-Recipient' header
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my $v = undef;
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for my $e ( @hasdivided ) {
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# Read each line between the start of the message and the start of rfc822 part.
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unless( $readcursor ) {
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# Beginning of the bounce message or delivery status part
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if( index($e, $StartingOf->{'message'}->[0]) == 0 ) {
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$readcursor |= $Indicators->{'deliverystatus'};
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next;
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}
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}
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unless( $readcursor & $Indicators->{'message-rfc822'} ) {
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# Beginning of the original message part
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if( $e eq $StartingOf->{'rfc822'}->[0] ) {
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$readcursor |= $Indicators->{'message-rfc822'};
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next;
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}
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}
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if( $readcursor & $Indicators->{'message-rfc822'} ) {
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# After "message/rfc822"
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unless( length $e ) {
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$blanklines++;
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last if $blanklines > 1;
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next;
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}
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push @$rfc822list, $e;
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} else {
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# Before "message/rfc822"
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next unless $readcursor & $Indicators->{'deliverystatus'};
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next unless length $e;
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# <kijitora@example.jp>:
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# 192.0.2.153 does not like recipient.
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# Remote host said: 550 5.1.1 <kijitora@example.jp>... User Unknown
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# Giving up on 192.0.2.153.
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$v = $dscontents->[-1];
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if( $e =~ /\A(?:To[ ]*:)?[<](.+[@].+)[>]:[ \t]*\z/ ) {
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# <kijitora@example.jp>:
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if( $v->{'recipient'} ) {
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# There are multiple recipient addresses in the message body.
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push @$dscontents, __PACKAGE__->DELIVERYSTATUS;
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$v = $dscontents->[-1];
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}
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$v->{'recipient'} = $1;
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$recipients++;
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} elsif( scalar @$dscontents == $recipients ) {
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# Append error message
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next unless length $e;
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$v->{'diagnosis'} .= $e.' ';
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$v->{'alterrors'} = $e if index($e, $StartingOf->{'error'}->[0]) == 0;
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next if $v->{'rhost'};
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$v->{'rhost'} = $1 if $e =~ $ReHost;
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}
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} # End of if: rfc822
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}
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return undef unless $recipients;
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for my $e ( @$dscontents ) {
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$e->{'diagnosis'} = Sisimai::String->sweep($e->{'diagnosis'});
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if( ! $e->{'command'} ) {
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# Get the SMTP command name for the session
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SMTP: for my $r ( keys %$ReSMTP ) {
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# Verify each regular expression of SMTP commands
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next unless $e->{'diagnosis'} =~ $ReSMTP->{ $r };
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$e->{'command'} = uc $r;
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last;
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}
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unless( $e->{'command'} ) {
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# Verify each regular expression of patches
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$e->{'command'} = uc $1 if $e->{'diagnosis'} =~ $ReCommands;
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}
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}
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# Detect the reason of bounce
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if( $e->{'command'} eq 'MAIL' ) {
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# MAIL | Connected to 192.0.2.135 but sender was rejected.
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$e->{'reason'} = 'rejected';
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} elsif( $e->{'command'} eq 'HELO' || $e->{'command'} eq 'EHLO' ) {
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# HELO | Connected to 192.0.2.135 but my name was rejected.
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$e->{'reason'} = 'blocked';
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} else {
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# Try to match with each error message in the table
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if( $e->{'diagnosis'} =~ $ReIsOnHold ) {
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# To decide the reason require pattern match with
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# Sisimai::Reason::* modules
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$e->{'reason'} = 'onhold';
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} else {
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SESSION: for my $r ( keys %$MessagesOf ) {
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# Verify each regular expression of session errors
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if( $e->{'alterrors'} ) {
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# Check the value of "alterrors"
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next unless grep { index($e->{'alterrors'}, $_) > -1 } @{ $MessagesOf->{ $r } };
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$e->{'reason'} = $r;
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}
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last if $e->{'reason'};
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next unless grep { index($e->{'diagnosis'}, $_) > -1 } @{ $MessagesOf->{ $r } };
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$e->{'reason'} = $r;
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last;
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}
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unless( $e->{'reason'} ) {
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LDAP: for my $r ( keys %$FailOnLDAP ) {
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# Verify each regular expression of LDAP errors
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next unless grep { index($e->{'diagnosis'}, $_) > -1 } @{ $FailOnLDAP->{ $r } };
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$e->{'reason'} = $r;
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last;
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}
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}
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unless( $e->{'reason'} ) {
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$e->{'reason'} = 'expired' if index($e->{'diagnosis'}, $HasExpired) > -1;
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}
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}
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}
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$e->{'command'} ||= '';
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$e->{'status'} = Sisimai::SMTP::Status->find($e->{'diagnosis'});
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$e->{'agent'} = __PACKAGE__->smtpagent;
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}
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$rfc822part = Sisimai::RFC5322->weedout($rfc822list);
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return { 'ds' => $dscontents, 'rfc822' => $$rfc822part };
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}
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1;
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__END__
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=encoding utf-8
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=head1 NAME
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Sisimai::Bite::Email::qmail - bounce mail parser class for C<qmail>.
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=head1 SYNOPSIS
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use Sisimai::Bite::Email::qmail;
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=head1 DESCRIPTION
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Sisimai::Bite::Email::qmail parses a bounce email which created by C<qmail>.
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Methods in the module are called from only Sisimai::Message.
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=head1 CLASS METHODS
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=head2 C<B<description()>>
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C<description()> returns description string of this module.
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print Sisimai::Bite::Email::qmail->description;
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=head2 C<B<smtpagent()>>
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C<smtpagent()> returns MTA name.
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print Sisimai::Bite::Email::qmail->smtpagent;
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=head2 C<B<scan(I<header data>, I<reference to body string>)>>
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C<scan()> method parses a bounced email and return results as a array reference.
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See Sisimai::Message for more details.
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=head1 AUTHOR
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azumakuniyuki
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=head1 COPYRIGHT
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Copyright (C) 2014-2018 azumakuniyuki, All rights reserved.
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=head1 LICENSE
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This software is distributed under The BSD 2-Clause License.
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=cut
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