Mike,
(host 127.0.0.1[127.0.0.1] said: 421 4.3.2 Service shutting down, closing
channel (in reply to end of DATA command))
amavisd-new is closing its end of the session.
This only happens when it encounters a serious problem.
Look into its log to see what the problem was.
This appears to be
I know that I mentioned Postfix in the subject but I think the behaviour
I'm witnessing is caused by Amavisd-new.
I am building up lots and lots of messages caught in my postfix queue with
the following message:
(host 127.0.0.1[127.0.0.1] said: 421 4.3.2 Service shutting down, closing
channel