[Greylist-users] relay identification

[Matthew L. Seidl]

On Tue, 6 Jan 2004 08:06:45 -0800, martin dempsey writes:
>> . In a sweep cleaning up stale triples, I collected the IPs of all sites
>> with 2 or more successful relays and stored those.  Things like Yahoo
>> relays will probably appear in such lists.
>>
>> . The filter will accept messages, even the first one, from such "known
>> good" relays.
>
>For how long? It appears you are permanently whitelisting all those IP 
>addresses. IP addresses are reused when, say, companies change ISPs. One 
>issue with your approach is that any spammer getting one of those ip 
>addresses has a permanent free pass to spam your users.
>

My reading of the proposed change is just that you whitelist the relay
for some period (a week?  a month?).  Sure, the spammer will have free
reign for the timeout period, but not forever.

-=- Matthew L. Seidl 		email: seidl at wraith.com                     =-=
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