>20020219 180118 127.0.0.1 SMTP (2796) s: s >20020219 180118 127.0.0.1 SMTP (2796) >20020219 180118 127.0.0.1 SMTP (2796) SMTP_DELIV_FAILED >20020219 180118 127.0.0.1 SMTP (2796) >QUIT >20020219 180118 127.0.0.1 SMTP (2796) s: s >20020219 180118 127.0.0.1 SMTP (2796) s: s >20020219 180118 127.0.0.1 SMTP (2796) >20020219 180118 127.0.0.1 SMTP (2796) requeuing >D:\IMail\spool\Qd4e024a.SMP R0 T5 >20020219 180118 127.0.0.1 SMTP (2796) finished >D:\IMail\spool\Qd4e024a.SMP status=3 > >This server is behind a firewall. >I experience these errors when I switch between two versions of the firewall.
well, that solves that then, doesn't it? >The configuration of each version is identical. >It only happens with the newer version of the firewall. then run the older version. >My mail server has two addresses 10.0.0.3 and 10.0.0.4. >I have one host, email.meridiancg.com, bound to 10.0.0.4. >My firewall maps 10.0.0.4 to 208.20.231.4 and visa versa. >My firewall maps 10.0.0.3 to 208.20.231.4 (just in case IMAIL talks on the >lower address). > >External DNS maps email.meridiancg.com to 208.20.231.4 and visa versa. >Internal DNS maps email.meridiancg.com to 10.0.0.4 and visa versa. >DNS testing tools report no errors. > >The only thing left is to run a packet snifer on each side, and compare >traffic. well, we can be pretty sure your firewall is screwing up the SMTP traffic. Is it a PIX? postfix has to workaround the SMTP bugs in PIX, for example. Len http://MenAndMice.com/DNS-training http://BIND8NT.MEIway.com : ISC BIND for NT4 & W2K http://IMGate.MEIway.com : Build free, hi-perf, anti-abuse mail gateways Please visit http://www.ipswitch.com/support/mailing-lists.html to be removed from this list. An Archive of this list is available at: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/
