Thanks for the reference. How could this be used with some condition? I am looking for binding sender domain A with IP 1 and domain B go through IP 2, go to IP3 otherwise.
- Joe On Tue, Feb 7, 2012 at 8:00 PM, Wietse Venema <wie...@porcupine.org> wrote: > Reindl Harald: >> Am 07.02.2012 09:53, schrieb Joe Wong: >> > Hello, >> > >> > Say my MTA has multiple IP addresses on it. Is there a way to >> > configure Postfix (outbound) to use IP 1 when matching condition A and >> > IP2 if matching condition B and IP3 and none of the conditions are >> > matched? >> >> you can define "smtp_bind_address" for each outgoing process >> defined in "master.cf" >> >> cat /etc/postfix/master.cf | grep smtp_bind >> smtp unix - - n - 50 smtp -o >> smtp_bind_address=10.0.0.6 -o max_idle=300 -o >> max_use=500 >> relay unix - - n - - smtp -o >> smtp_bind_address=10.0.0.6 -o max_idle=300 -o >> max_use=500 -o smtp_fallback_relay= > > If you do this on a firewall, then be sure to read the Postfix > manpage for smtp_bind_address and inet_interfaces, to avoid > some common pitfalls with routing. > > http://www.postfix.org/postconf.5.html#smtp_bind_address > http://www.postfix.org/postconf.5.html#inet_interfaces > > Wietse