Some really newbie quesitons.
Kevin Spicer
kevins at BMRB.CO.UK
Fri May 28 21:16:51 IST 2004
On Fri, 2004-05-28 at 16:35, Matt Kettler wrote:
> If you post-delivery bounce messages, a joe job victim has to block each
> and every server generating bounces, including yours. If you reject them,
> the joe job victim only has to block the one relay that the spammer abused
> as a source. MUCH simpler.
I think its more correct to say that by rejecting at the SMTP layer you
push the bounce one step further upstream. In many cases this will be
the originating server (which is fine) but this can also be another
innocent server (e.g. for people who use a store and forward service for
secondary MX). Its important to understand that whilst rejecting at
SMTP level is better than sending a bounce it still causes problems for
many people.
BMRB International
http://www.bmrb.co.uk
+44 (0)20 8566 5000
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