[Mimedefang] Preventing bounces for spams

[David F. Skoll]

On Wed, 3 Dec 2003, Jason M. Burnett wrote:

> Since the bounce has to come back through the Mimedefang server,

Does it?  Did you set up your Exchange box to route outgoing mail
through the MIMEDefang box?

There's really no easy way to fix this.  The correct solution is to
reject unknown recipients at the perimeter with a 5XX failure code.

Regards,

David.