White, Daniel E. (GSFC-770.0)[NICS]: > This best matches my situation. > > I cannot guarantee that all of my "customers" can send mail authenticated > and/or encrypted. > I think I can trim down "mynetworks"
main.cf:
# Exclude the open relay tester at 1.2.3.4
mynetworks = !1.2.3.4 ...other settings...
Wietse
