as far as i'm concerned this started because russ suggests rejecting mail
from sites that don't meet certain DNS tests (PTR and or MX records)
because sites that meet these criteria are often dial-up spam sources.
i suggest blocking traffic from places that have a history of sending
spam. like you we don't have any global in-bound mail filtering and my
group has resisted suggestions that we install such filtering.
i will admit that part of my motivation is my direct experience with spam.
i get very little (and almost all of it is addressed to webmaster or uucp)
and except for one or two notable exceptions we don't have a systems
problem with spam (i.e. it doesn't have a significant effect on our ability
to deliver mail to our users).
shag> I think we're arguing two different things here. When I'm
shag> talking about blocking dialup users, I'm talking about preventing
shag> my users on my network from sending mail directly out. I'm not
shag> talking about using the DUL, or RBL, or anything else to prevent
shag> inbound mail.
--
paul
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if the above contains opinions they are mine unless marked otherwise.
