Originally Posted by kresser
This is also coming up in mail logs.
Jan 1 07:33:17 messiah postfix/smtp: 9331B6E68D87: to=<firstname.lastname@example.org>, relay=none, delay=0.16, delays=0.15/0.01/0/0, dsn=4.4.1, status=deferred (connect to 127.0.0.1[127.0.0.1]:10024: Connection refused)
It seems as if amavisd isn't running. Please restart it and send the welcome mail again.