| 1 | #!/usr/bin/env perl |
| 2 | use strict; |
| 3 | use warnings; |
| 4 | use IO::Socket::INET; |
| 5 | use Net::SMTP; |
| 6 | |
| 7 | my $netdns = eval 'use Net::DNS'; |
| 8 | if($netdns) { use Net::DNS }; |
| 9 | |
| 10 | my $from='harvie@harvie.cz'; |
| 11 | my $rcpt='harvie@email.cz'; |
| 12 | my $subj='Subj3ct'; |
| 13 | my $mesg='H3ll0 Dolly!'; |
| 14 | |
| 15 | my @rcpts = split('@', $rcpt); |
| 16 | |
| 17 | |
| 18 | if($netdns) { |
| 19 | my $preference = -1; |
| 20 | my $xchg; |
| 21 | foreach(mx($rcpts[1])) { |
| 22 | if($_->preference > $preference) { |
| 23 | $preference = $_->preference; |
| 24 | $xchg = $_->exchange; |
| 25 | } |
| 26 | } |
| 27 | } else { |
| 28 | #get mx without Net::DNS |
| 29 | foreach(split("\n", qx{ bash -c "host -t mx email.cz | cut -d ' ' -f 7" })) { |
| 30 | chop($_); |
| 31 | print "mx: $_\n"; |
| 32 | } |
| 33 | } |
| 34 | |
| 35 | |
| 36 | my $smtp = Net::SMTP->new('mx50.seznam.cz', ( debug => 1)); |
| 37 | |
| 38 | $smtp->mail($from); |
| 39 | $smtp->to($rcpt); |
| 40 | |
| 41 | $smtp->data(); |
| 42 | $smtp->datasend("Subject: $subj\n"); |
| 43 | $smtp->datasend("From: $from\n"); |
| 44 | $smtp->datasend("To: $rcpt\n"); |
| 45 | $smtp->datasend("\n"); |
| 46 | $smtp->datasend("$mesg\n"); |
| 47 | $smtp->dataend(); |
| 48 | $smtp->quit; |
| 49 | |