Gary Chambers: > -Queue ID- --Size-- ----Arrival Time---- -Sender/Recipient------- > BF2B5131B8 3116 Mon Sep 24 11:10:44 me@cuddy > (host smtp.example.com[00.000.00.000] said: 450 4.1.8 <me@cuddy>: Sender > address rejected: Domain not found (in reply to RCPT TO command)) me@cuddy
cuddy is not a valid domain name. Check your main.cf:append_dot_mydomain setting, as well as main.cf:smtp_dns_resolver_options. Wietse