On Fri, 16 Jan 2004, Ross Vandegrift wrote:

> On Thu, Jan 15, 2004 at 02:20:16AM -0600, David B Funk wrote:
> > If you SMTP reject the spam, it never hits your queue, so no problem
> > with the garbage piling up and no bombarding poor innocent 'joe-job'
> > victims. It's better than auto-deleting spam, as a legit message
> > that is accidentally mis-identified as spam gets returned to the
> > true sender and they can remedy the situation rather than wondering
> > what happened to their message.
> 
> I hope you see the contradiction in the above paragraph.

There's no contradiction; he said "SMTP reject" which implies a 5xx 
response at some point in the SMTP protocol, not a queue-then-bounce.

5xx rejects sometimes cause "bombarding poor innocent 'joe-job' victims"
but only if the messages are passing through a relay that has already done
the queue-then-(deliver or bounce) part.

On a direct connect from the sender's MTA to yours, a 5xx reject will only
affect the actual sender (regardless of MAIL FROM: forgery), which is what
you want in the case of legitimate (e.g. accidentally misaddressed) email.

> I had spamass-milter setup to reject for a while, and I found that my
> queues were always full.

spamass-milter is not rejecting during SMTP, then -- or you have a gateway
server that's doing the queue-and-bounce, with spamass-milter running
elsewhere.  In that case you should be doing the rejecting at the gateway.



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