Le Thu 23/04/2009, Marc Jauvin disait > Victor Duchovni <victor.ducho...@morganstanley.com> wrote: > >> On Thu, Apr 23, 2009 at 03:15:48PM -0400, Marc Jauvin wrote: >> >>> Note: using iptables to reroute traffic for Godaddy's IP address does work, >>> but it's unlikely to work reliably if they change those IP addresses (or >>> add new ones to the mix). >> >> Well, how would Postfix know it is Godaddy's SMTP server? You have to >> know either the name or the IP address, so apply the fix at the naming >> or routing level. > > Yes, it would have to be done based on the mx records' hostname... > > Outside of postfix, how would you apply a fix at the naming level under Linux?
You could use a local dns server which would serve another IP address for this name. It is easy to do with unbound and its local_data. -- Erwan
