[OT] spam avoidance via IP-based filtering at the MTA [was: Re: Keyserver spam example]

[Daniel Kahn Gillmor]

On 06/10/2010 11:57 AM, Joke de Buhr wrote:
> You do not sacrifice legitimate incoming mail because there is an RFC that 
> clearly states mailservers do not operate from dynamic IP addresses. Therefore 
> they can not be considered valid.

Please cite this RFC.  All IP addresses are "dynamic" in some sense --
you cannot guarantee that the same organization or entity will control
them in a few years' time.

This is now sufficiently off-topic for gnupg-users, so i'm not going to
reply on this thread anymore.

Regards,

	--dkg

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