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package Sisimai::Lhost::V5sendmail; |
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19
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5377
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use parent 'Sisimai::Lhost'; |
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105
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1159
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use feature ':5.10'; |
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1396
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4
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104
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use strict; |
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430
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5
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101
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use warnings; |
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20452
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6
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1004
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sub description { 'Sendmail version 5' } |
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sub make { |
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# Detect an error from V5sendmail |
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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 v4.1.2 |
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251
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251
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1
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755
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my $class = shift; |
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251
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100
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778
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my $mhead = shift // return undef; |
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250
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614
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my $mbody = shift // return undef; |
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# 'from' => qr/\AMail Delivery Subsystem/, |
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250
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100
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1270
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return undef unless $mhead->{'subject'} =~ /\AReturned mail: [A-Z]/; |
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22
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79
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state $indicators = __PACKAGE__->INDICATORS; |
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79
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state $rebackbone = qr/^[ ]+-----[ ](?:Unsent[ ]message[ ]follows|No[ ]message[ ]was[ ]collected)[ ]-----/m; |
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79
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153
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state $startingof = { 'message' => ['----- Transcript of session follows -----'] }; |
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79
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state $markingsof = { |
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# Error text regular expressions which defined in src/savemail.c |
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# savemail.c:485| (void) fflush(stdout); |
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# savemail.c:486| p = queuename(e->e_parent, 'x'); |
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# savemail.c:487| if ((xfile = fopen(p, "r")) == NULL) |
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# savemail.c:488| { |
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# savemail.c:489| syserr("Cannot open %s", p); |
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# savemail.c:490| fprintf(fp, " ----- Transcript of session is unavailable -----\n"); |
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# savemail.c:491| } |
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# savemail.c:492| else |
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# savemail.c:493| { |
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# savemail.c:494| fprintf(fp, " ----- Transcript of session follows -----\n"); |
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# savemail.c:495| if (e->e_xfp != NULL) |
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# savemail.c:496| (void) fflush(e->e_xfp); |
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# savemail.c:497| while (fgets(buf, sizeof buf, xfile) != NULL) |
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# savemail.c:498| putline(buf, fp, m); |
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# savemail.c:499| (void) fclose(xfile); |
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'error' => qr/\A[.]+ while talking to .+[:]\z/, |
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}; |
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79
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437
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my $emailsteak = Sisimai::RFC5322->fillet($mbody, $rebackbone); |
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100
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492
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return undef unless length $emailsteak->[1]; |
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36
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my $dscontents = [__PACKAGE__->DELIVERYSTATUS]; |
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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 $anotherset = {}; # (Ref->Hash) Another error information |
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my @responding; # (Array) Responses from remote server |
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my @commandset; # (Array) SMTP command which is sent to remote server |
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my $errorindex = -1; |
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36
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65
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my $v = undef; |
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57
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36
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224
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for my $e ( split("\n", $emailsteak->[0]) ) { |
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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. |
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262
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100
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427
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unless( $readcursor ) { |
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# Beginning of the bounce message or message/delivery-status part |
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36
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50
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255
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$readcursor |= $indicators->{'deliverystatus'} if index($e, $startingof->{'message'}->[0]) > -1; |
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73
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next; |
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} |
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399
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next unless $readcursor & $indicators->{'deliverystatus'}; |
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329
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next unless length $e; |
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68
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# ----- Transcript of session follows ----- |
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# While talking to smtp.example.com: |
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# >>> RCPT To: |
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# <<< 550 , User Unknown |
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# 550 ... User unknown |
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# 421 example.org (smtp)... Deferred: Connection timed out during user open with example.org |
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254
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$v = $dscontents->[-1]; |
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226
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100
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964
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if( $e =~ /\A\d{3}[ \t]+[<]([^ ]+[@][^ ]+)[>][.]{3}[ \t]*(.+)\z/ ) { |
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100
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100
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77
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# 550 ... User unknown |
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60
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100
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193
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if( $v->{'recipient'} ) { |
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# There are multiple recipient addresses in the message body. |
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30
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push @$dscontents, __PACKAGE__->DELIVERYSTATUS; |
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30
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73
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$v = $dscontents->[-1]; |
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} |
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60
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154
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$v->{'recipient'} = $1; |
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60
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134
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$v->{'diagnosis'} = $2; |
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86
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60
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100
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124
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if( $responding[ $recipients ] ) { |
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# Concatenate the response of the server and error message |
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$v->{'diagnosis'} .= ': '.$responding[$recipients]; |
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} |
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60
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147
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$recipients++; |
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92
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} elsif( $e =~ /\A[>]{3}[ \t]*([A-Z]{4})[ \t]*/ ) { |
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# >>> RCPT To: |
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35
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125
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$commandset[ $recipients ] = $1; |
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96
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} elsif( $e =~ /\A[<]{3}[ ]+(.+)\z/ ) { |
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# <<< Response |
98
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# <<< 501 ... no access from mail server [192.0.2.55] which is an open relay. |
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# <<< 550 Requested User Mailbox not found. No such user here. |
100
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35
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103
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$responding[ $recipients ] = $1; |
101
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102
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} else { |
103
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# Detect SMTP session error or connection error |
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96
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50
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227
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next if $v->{'sessionerr'}; |
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96
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50
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395
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if( $e =~ $markingsof->{'error'} ) { |
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# ----- Transcript of session follows ----- |
107
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# ... while talking to mta.example.org.: |
108
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0
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0
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$v->{'sessionerr'} = 1; |
109
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0
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0
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next; |
110
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} |
111
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112
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# 421 example.org (smtp)... Deferred: Connection timed out during user open with example.org |
113
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96
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100
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603
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$anotherset->{'diagnosis'} = $1 if $e =~ /\A\d{3}[ \t]+.+[.]{3}[ \t]*(.+)\z/; |
114
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} |
115
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} |
116
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117
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36
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100
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66
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187
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if( $recipients == 0 && $emailsteak->[1] =~ /^To:[ ]*(.+)/m ) { |
118
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# Get the recipient address from "To:" header at the original message |
119
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6
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38
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$dscontents->[0]->{'recipient'} = Sisimai::Address->s3s4($1); |
120
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6
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14
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$recipients = 1; |
121
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} |
122
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36
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50
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99
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return undef unless $recipients; |
123
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124
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36
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100
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for my $e ( @$dscontents ) { |
125
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66
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96
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$errorindex++; |
126
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66
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100
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delete $e->{'sessionerr'}; |
127
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66
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100
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242
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$e->{'command'} = $commandset[$errorindex] || ''; |
128
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129
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66
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50
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33
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281
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if( exists $anotherset->{'diagnosis'} && $anotherset->{'diagnosis'} ) { |
130
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# Copy alternative error message |
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66
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66
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163
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$e->{'diagnosis'} ||= $anotherset->{'diagnosis'}; |
132
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133
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} else { |
134
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# Set server response as a error message |
135
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0
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0
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0
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$e->{'diagnosis'} ||= $responding[$errorindex]; |
136
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} |
137
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66
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278
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$e->{'diagnosis'} = Sisimai::String->sweep($e->{'diagnosis'}); |
138
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139
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# @example.jp, no local part |
140
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# Get email address from the value of Diagnostic-Code header |
141
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66
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50
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369
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next if $e->{'recipient'} =~ /\A[^ ]+[@][^ ]+\z/; |
142
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0
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0
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0
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$e->{'recipient'} = $1 if $e->{'diagnosis'} =~ /[<]([^ ]+[@][^ ]+)[>]/; |
143
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} |
144
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36
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241
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return { 'ds' => $dscontents, 'rfc822' => $emailsteak->[1] }; |
145
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} |
146
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147
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1; |
148
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__END__ |