[Mimedefang] Reverse DNS Testing

[Joseph Brennan]

> Has anyone here tried setting up MIMEDefang to enforce reverse DNS entries
> for the MAIL FROM: domain, and/or the $RelayAddr? Any thoughts on if this
> causes a lot of legitimate mail to be blocked?

It would cause a lot of legitimate mail to be blocked.

But we give 2 points for no rDNS in Spamassassin.

Joseph Brennan          Columbia University in the City of New York
postmaster at columbia.edu                 Academic Technologies Group