Blacklisting for no rDNS (was Re: [Mimedefang] Including archetypal filters to include in release?)
David F. Skoll
dfs at roaringpenguin.com
Tue Jan 10 20:40:36 EST 2006
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.
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