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stmt |
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cond |
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pod |
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package Sisimai::Lhost::Courier; |
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15
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15
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5353
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use parent 'Sisimai::Lhost'; |
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25
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15
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88
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3
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830
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use feature ':5.10'; |
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23
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15
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954
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4
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71
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use strict; |
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15
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289
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5
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70
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use warnings; |
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31
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15
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13635
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2
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2
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1
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1147
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sub description { 'Courier MTA' } |
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sub make { |
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# Detect an error from Courier MTA |
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# @param [Hash] mhead Message headers of a bounce email |
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# @param [String] mbody Message body of a bounce email |
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# @return [Hash] Bounce data list and message/rfc822 part |
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# @return [Undef] failed to parse or the arguments are missing |
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# @since v4.0.0 |
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208
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208
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1
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570
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my $class = shift; |
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208
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100
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503
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my $mhead = shift // return undef; |
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207
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50
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396
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my $mbody = shift // return undef; |
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207
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231
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my $match = 0; |
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207
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50
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0
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639
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$match ||= 1 if index($mhead->{'from'}, 'Courier mail server at ') > -1; |
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207
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100
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50
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960
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$match ||= 1 if $mhead->{'subject'} =~ /(?:NOTICE: mail delivery status[.]|WARNING: delayed mail[.])/; |
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207
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100
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410
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if( defined $mhead->{'message-id'} ) { |
23
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# Message-ID: |
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187
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100
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50
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674
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$match ||= 1 if $mhead->{'message-id'} =~ /\A[<]courier[.][0-9A-F]+[.]/; |
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} |
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207
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100
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580
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return undef unless $match; |
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28
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21
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60
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state $indicators = __PACKAGE__->INDICATORS; |
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21
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44
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state $rebackbone = qr<^Content-Type:[ ](?:message/rfc822|text/rfc822-headers)>m; |
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21
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state $startingof = { |
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# https://www.courier-mta.org/courierdsn.html |
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# courier/module.dsn/dsn*.txt |
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'message' => ['DELAYS IN DELIVERING YOUR MESSAGE', 'UNDELIVERABLE MAIL'], |
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}; |
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21
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state $messagesof = { |
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# courier/module.esmtp/esmtpclient.c:526| hard_error(del, ctf, "No such domain."); |
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'hostunknown' => ['No such domain.'], |
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# courier/module.esmtp/esmtpclient.c:531| hard_error(del, ctf, |
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# courier/module.esmtp/esmtpclient.c:532| "This domain's DNS violates RFC 1035."); |
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'systemerror' => ["This domain's DNS violates RFC 1035."], |
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# courier/module.esmtp/esmtpclient.c:535| soft_error(del, ctf, "DNS lookup failed."); |
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'networkerror'=> ['DNS lookup failed.'], |
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}; |
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45
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21
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652
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require Sisimai::RFC1894; |
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21
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110
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my $fieldtable = Sisimai::RFC1894->FIELDTABLE; |
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21
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45
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my $permessage = {}; # (Hash) Store values of each Per-Message field |
48
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49
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21
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110
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my $dscontents = [__PACKAGE__->DELIVERYSTATUS]; |
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21
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121
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my $emailsteak = Sisimai::RFC5322->fillet($mbody, $rebackbone); |
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21
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57
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my $readcursor = 0; # (Integer) Points the current cursor position |
52
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21
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45
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my $recipients = 0; # (Integer) The number of 'Final-Recipient' header |
53
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21
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32
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my $commandtxt = ''; # (String) SMTP Command name begin with the string '>>>' |
54
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21
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35
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my $v = undef; |
55
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21
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36
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my $p = ''; |
56
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57
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21
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229
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for my $e ( split("\n", $emailsteak->[0]) ) { |
58
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# Read error messages and delivery status lines from the head of the email |
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# to the previous line of the beginning of the original message. |
60
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788
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100
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883
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unless( $readcursor ) { |
61
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# Beginning of the bounce message or message/delivery-status part |
62
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252
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100
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66
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678
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if( rindex($e, $startingof->{'message'}->[0]) > -1 || |
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rindex($e, $startingof->{'message'}->[1]) > -1 ) { |
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21
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53
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$readcursor |= $indicators->{'deliverystatus'}; |
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21
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26
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next; |
66
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} |
67
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} |
68
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767
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100
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947
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next unless $readcursor & $indicators->{'deliverystatus'}; |
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536
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100
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655
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next unless length $e; |
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71
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389
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100
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587
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if( my $f = Sisimai::RFC1894->match($e) ) { |
72
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# $e matched with any field defined in RFC3464 |
73
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163
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50
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249
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next unless my $o = Sisimai::RFC1894->field($e); |
74
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163
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194
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$v = $dscontents->[-1]; |
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76
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163
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100
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316
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if( $o->[-1] eq 'addr' ) { |
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100
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77
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# Final-Recipient: rfc822; kijitora@example.jp |
78
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# X-Actual-Recipient: rfc822; kijitora@example.co.jp |
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21
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50
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55
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if( $o->[0] eq 'final-recipient' ) { |
80
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# Final-Recipient: rfc822; kijitora@example.jp |
81
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21
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50
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57
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if( $v->{'recipient'} ) { |
82
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# There are multiple recipient addresses in the message body. |
83
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0
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0
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push @$dscontents, __PACKAGE__->DELIVERYSTATUS; |
84
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0
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0
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$v = $dscontents->[-1]; |
85
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} |
86
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21
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34
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$v->{'recipient'} = $o->[2]; |
87
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21
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49
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$recipients++; |
88
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89
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} else { |
90
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# X-Actual-Recipient: rfc822; kijitora@example.co.jp |
91
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0
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0
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$v->{'alias'} = $o->[2]; |
92
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} |
93
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} elsif( $o->[-1] eq 'code' ) { |
94
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# Diagnostic-Code: SMTP; 550 5.1.1 ... User Unknown |
95
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21
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39
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$v->{'spec'} = $o->[1]; |
96
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21
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47
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$v->{'diagnosis'} = $o->[2]; |
97
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98
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} else { |
99
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# Other DSN fields defined in RFC3464 |
100
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121
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50
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206
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next unless exists $fieldtable->{ $o->[0] }; |
101
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121
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205
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$v->{ $fieldtable->{ $o->[0] } } = $o->[2]; |
102
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103
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121
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100
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229
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next unless $f == 1; |
104
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63
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149
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$permessage->{ $fieldtable->{ $o->[0] } } = $o->[2]; |
105
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} |
106
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} else { |
107
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# The line does not begin with a DSN field defined in RFC3464 |
108
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# |
109
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# This is a delivery status notification from marutamachi.example.org, |
110
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# running the Courier mail server, version 0.65.2. |
111
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# |
112
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# The original message was received on Sat, 11 Dec 2010 12:19:57 +0900 |
113
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# from [127.0.0.1] (c10920.example.com [192.0.2.20]) |
114
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# |
115
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# --------------------------------------------------------------------------- |
116
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# |
117
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# UNDELIVERABLE MAIL |
118
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# |
119
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# Your message to the following recipients cannot be delivered: |
120
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# |
121
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# : |
122
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# mx.example.co.jp [74.207.247.95]: |
123
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# >>> RCPT TO: |
124
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# <<< 550 5.1.1 ... User Unknown |
125
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# |
126
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# --------------------------------------------------------------------------- |
127
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226
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100
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398
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if( $e =~ /\A[>]{3}[ ]+([A-Z]{4})[ ]?/ ) { |
128
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# >>> DATA |
129
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16
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33
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94
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$commandtxt ||= $1; |
130
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131
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} else { |
132
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# Continued line of the value of Diagnostic-Code field |
133
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210
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100
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318
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next unless index($p, 'Diagnostic-Code:') == 0; |
134
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5
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50
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33
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next unless $e =~ /\A[ \t]+(.+)\z/; |
135
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5
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17
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$v->{'diagnosis'} .= ' '.$1; |
136
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} |
137
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} |
138
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} continue { |
139
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# Save the current line for the next loop |
140
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788
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887
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$p = $e; |
141
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} |
142
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21
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50
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93
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return undef unless $recipients; |
143
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144
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21
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52
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for my $e ( @$dscontents ) { |
145
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# Set default values if each value is empty. |
146
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21
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0
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157
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$e->{ $_ } ||= $permessage->{ $_ } || '' for keys %$permessage; |
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33
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147
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21
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176
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$e->{'diagnosis'} = Sisimai::String->sweep($e->{'diagnosis'}); |
148
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149
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21
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74
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for my $r ( keys %$messagesof ) { |
150
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# Verify each regular expression of session errors |
151
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57
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100
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63
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next unless grep { index($e->{'diagnosis'}, $_) > -1 } @{ $messagesof->{ $r } }; |
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57
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175
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57
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89
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152
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5
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11
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$e->{'reason'} = $r; |
153
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5
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10
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last; |
154
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} |
155
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21
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100
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150
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$e->{'command'} ||= $commandtxt || ''; |
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66
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156
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} |
157
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21
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192
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return { 'ds' => $dscontents, 'rfc822' => $emailsteak->[1] }; |
158
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} |
159
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160
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1; |
161
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__END__ |