On Wed, Mar 22, 2017 at 04:11:19PM -0400, Marvin Renich wrote: > At 12:30 I edited main.cf to add inet_protocols = ipv4, then restarted > Postfix. I did not reboot or restart any other services, or (knowingly) > clear any dns cache.
- You have by any chance a nameserver != 127.0.0.1 or ::1 in /etc/resolv.conf and it can change during the runtime of the system? - You run Postfix daemons chrooted? (check the chroot column in /etc/postfix/master.cf) Bastian -- We have found all life forms in the galaxy are capable of superior development. -- Kirk, "The Gamesters of Triskelion", stardate 3211.7