Alexander Samad <alex@xxxxxxxxxxxx> writes: > > On a different thought can't you tell your mta to bind to a specific > interface or use a specific address ( I can with exim) Thankyou! The simple logical solution, which i was totally blind for. I just need to have my postfix configured with: smtp_bind_address = 217.215.183.181 I works! And I don't have to do anything magical with routing or iptables. -- Christer