On Friday 20 January 2006 13:09, Michael L Torrie wrote: > I'm not sure you can gray list on a per-user basis. Usually such > filters work during the HELO stage of the smtp exchange. If you did it > after the RCPT TO: stage, I believe the message would bounce > immediately, which is not what you want. > > This this is not the case, then I am even that much happier. > > Ideally, for an ISP it would merely be an opt-in tool. >
After reading the whitepaper, it should be trivial to impliment an opt-in
greylisting system. Just have the greylisting daemon check a database to see
if the recipient in the triplet is interested in greylisting. If not, just
exit, and let normal SMTP continue. If they are, trigger greylisting logic.
--
Matthew Walker
The Brain Garden, Inc
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