Paweł Leśniak a écrit :
> [snip]
> Well, to be honest, I believe you did. If you will do many checks to the
> same server (have on mind large ISPs with many domains) with different
> emails, then probably your server will get blacklisted to send email
> from postmaster@ (at least). If you want explanation why, here it is:
> SMTP session to do SAV check is naither an email from individual to
> individual, nor message from receiver's system to sender. Of course it's
> also not wanted by sender, so in any case - it's spam and your server
> should be treated like any other spamming server. You hopefully
> understand my point of view. You don't have to agree - it doesn't matter.
> 
> Maybe this thread is a good reason to create BL containing servers doing
> large amounts of SAV checks? I'd be very happy if I could use such BL to
> reject emails from postmaster at those domains (and probably <> also).
> 

no reason to overreact. I am not seeing SAV abuse (but I am seeing
backscatter and spam).

let me fork a little: SAV on _header_ addresses is plain dumb:

Dec 15 11:25:33 imlil postmx/smtpd[23878]: NOQUEUE: warn: RCPT from
chlothar.bnv-bamberg.de[217.146.130.193]: Transaction logged:
PTR=chlothar.bnv-bamberg.de; from=<spamch...@bnv-bamberg.de>
to=<mo...@netoyen.net> proto=ESMTP helo=<bnv-bamberg.de>

if you post to the spamassassin-users list, and you log transactions,
you'll see such probes.

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