On 24.05.2010 20:05, Linux Addict wrote:
Hello, One of my postfix server is sending thousands of messages to
non-existent mail box in another internal server. The internal
application sends mail as mailb...@domain.net
<mailto:mailb...@domain.net> thru postfix. The TO addresses are invalid.
I need reject messages from those domains not resolved.
to=<dmr0613420524125827...@dsaperftest.edu
<mailto:dmr0613420524125827...@dsaperftest.edu>>, relay=none,
delay=0.05, delays=0.01/0/0.04/0, dsn=5.4.4, status=bounced (Host or
domain name not found. Name service error for name=dsaperftest.edu
<http://dsaperftest.edu> type=A: Host not found)
thank you
LA
Well, if its one of your hosts doing the spamming turn of the
application that is causing it. Or blacklist the sender host's IP
address on the first receiving smtp server. Or do some sender address
verification on your mail gateway (or however your email architecture
looks like - I have no idea).
