[Mimedefang] Sendmail / MIMEDefang Question

[David F. Skoll]

On Wed, 13 Nov 2002, Jason KRISCH wrote:

> It seems that my Sendmail is trying to send NDRs and other messages
> back to senders who try to send mail to users that do not exist on my
> system.  How do I stop it from doing this?  It is taking up valuable
> resources and I don't want to be trying to reply to spammers.  I am
> using SA / MD in a relay config infront of a non-linux mail server.

Assuming your non-Linux server sends a failure code for RCPT TO: unknown
recipients, you can use the latest MIMEDefang beta which has the
"md_check_against_smtp_server" function.  See the mimedefang-filter(5) man
page for details.

--
David.