vvrpgsporcupineorg jakub nadolny hi finally tcpdump problem described time ago remind attach whole description end email written looks like mua sends find byte sequence 0d 0a 2e 0d 0a tcp dump could please help problem occures one internet provider orange poland always sometimes ideas else check ive placed tcp dump httpjakubnadolnyinfotmptcpdumpcuttxt away europe dont time convert ascii listing back proper tcpdump file see piece base64 encoded text remote smtp client local postfix server ending 0x0260 3746 6e46 7652 3438 7078 5158 504a 5446 7fnfvr48pxqxpjtf 0x0270 5978 544a 2f48 4e56 7539 6877 6870 4f4b yxtjhnvu9hwhpok 0x0280 4a2b 5750 4139 4c0d 0a jwpa9l followed tcp segment remote smtp client local postfix server contains 0x0000 4500 0037 b4c4 4000 2f06 2194 5760 2689 e7w 0x0010 c232 354d a894 0019 6cf5 5131 2651 cb34 25mlq1q4 0x0020 8018 000e 97be 0000 0101 080a 38f5 4f25 8o 0x0030 0d27 43d4 2e0d 0a c ends message content delivery local postfix server replies 250 200 ok queued 0b4ac1811371 0x0000 4500 005a fc1f 4000 4006 c915 c232 354d ez25m 0x0010 5760 2689 0019 a894 2651 cb34 6cf5 5134 wq4lq4 0x0020 8018 01f5 75b5 0000 0101 080a 0d27 4412 ud 0x0030 38f5 4f25 3235 3020 322e 302e 3020 4f6b 8o250200ok 0x0040 3a20 7175 6575 6564 2061 7320 3042 3441 queuedas0b4a 0x0050 4331 3831 3133 3731 0d0a c1811371 also note base64 encoded text end mime boundary text starting ending want better support need proper tcpcump file ascii listing use tcpdump 0 w filename host foo port 25 wietse fri 08 aug 2008 084923 0500 mail attachements truncated