On 5/16/2012 6:06 PM, Kris Glynn wrote: > Hi, > > I'm trying to make postfix relay via an alternate relayhost if the recipients > MX server resolves to an address in this range - 72.34.32.0/19 > > How can I achieve this using postfix-2.9.2
Use a firewall redirect. Postfix transport and destination features work on the domain name, not the IP address. -- Noel Jones