Blacklisting for no rDNS (was Re: [Mimedefang] Including archetypal filters to include in release?)

[David F. Skoll]

Philip Prindeville wrote:

> BTW:  In the case where there is no rDNS for an incoming connection...
> what would be the approximate false positive rate be if we were to refuse
> those connections (unless of course they were authenticated or local)?

Pretty high, I would guess.  At least 5%, probably more.

Regards,

David.