On Jun 13, 2013, at 6:04 PM, Newton Pasqualini Filho <newtonpasqual...@gmail.com> wrote:
> You can do this with iptables rules using SNAT. I'm sorry, I should have mentioned this need to happen on multiple instances of the postfix on the same system. One instance will send the traffic to :2501, another to :2502, etc. It's a way to hint to the loadbalancer which external IP to use. (We have a small number of external IP's, and need to ensure that the correct type of email traffic comes out the right IP, basically.) Thanks! Matthew > Em 13/06/2013, às 19:01, Matthew Barr <mb...@snap-interactive.com> escreveu: > >> I'm looking for a way to change the default destination port for SMTP, >> similar to the effect of lmtp_tcp_port. >> >> This is due to an interesting outbound NAT setup, which will rewrite the >> actual connection port for the destination hosts to be 25. >> >> The smtp(5) command doesn't have an option to set default port. >> >> Is there any way to do this? >>
