James Shupe wrote:
Check into smtp_bind_address in Postfix. If you're still having issues, binat rather than rdr to internal IPs so connections will originate properly. Without seeing your pf.conf or master.cf, this is a guess, but I think these tips should lead you in the right direction....master.cf: smtp ... smtp -o smtp_bind_address=11.22.33.44
Thank-you James and Philip, problem solved! Between using inet_interfaces in main.cf and a.b.c.d:smtp... in master.cf, I figured it was covered, but I was wrong. The smtp_bind_address works like a charm, which I didn't see when searching for multiple instances of postfix.
I did find it rather odd that I'd have to use routing. I thought it was like using a sledgehammer to solve a thumbtack problem, when it was just a leaky screwdriver.
-- - RSM www.erratic.ca

