Emmanuel Jaep: > Hi Wietse, > > Thanks for the quick reply. > Typically, I could update the mynetworks line to main.cf stating: > mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 > openrelay.customer.com:25
This means that you have a lookup table named '25' that is accessed with the 'openrelay.customer.com' driver. I was thinking of listing the server's IP address (or hostname, but that can block mail falsely when DNS lookup fails due to some network glitch). Wietse