| 1 | #!/usr/bin/env perl |
| 2 | use strict; |
| 3 | use warnings; |
| 4 | use IO::Socket::INET; |
| 5 | |
| 6 | $netdns = eval 'use Net::DNS'; |
| 7 | if($netdns) use Net::DNS; |
| 8 | |
| 9 | my $from='harvie@harvie.cz'; |
| 10 | my $rcpt='harvie@email.cz'; |
| 11 | my $subj='Subj3ct'; |
| 12 | my $mesg='H3ll0 Dolly!'; |
| 13 | $rcpt='martin.mudrunka@t-email.cz'; $mesg = qx { bash -c 'links -dump http://www.gymjosefska.cz/studium/suplovani/suplobec.htm | grep -i "3.AG\\|suplov.n."' }; |
| 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 | my $data = <<END |
| 36 | HELO $rcpts[1] |
| 37 | MAIL FROM:<$from> |
| 38 | RCPT TO:<$rcpt> |
| 39 | DATA |
| 40 | From: <$from> |
| 41 | To: <$rcpt> |
| 42 | Subject: $subj |
| 43 | |
| 44 | $mesg\r\n.\r\nQUIT |
| 45 | END |
| 46 | ; |
| 47 | |
| 48 | my $sock = IO::Socket::INET->new(PeerAddr => $xchg, PeerPort => '25'); |
| 49 | print "SRV: ".<$sock>; |
| 50 | print $data; |
| 51 | print $sock $data; |
| 52 | while(<$sock>) { |
| 53 | print "SRV: ".$_; |
| 54 | STDOUT->flush; |
| 55 | } |
| 56 | |
| 57 | $sock->close; |
| 58 | |