DragonFly kernel List (threaded) for 2004-02
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Re: Spam Filter engaged on crater
Hi !
* With an invalid envelope sender. The spam filter does a realtime
connect back to the SMTP server associated with the envelope sender
and attempts to RCPT to it. If this fails the mail will be rejected.
I guess you are using milter-sender ?
We did that at our site and it was mostly annoying, though the
spam that came through was significantly reduced.
It is astounding how many sites out there have a broken
DNS/Mail setup. You'll end up editing /etc/mail/access
many many times.
And even worse you could end up in spamcop.net - we did.
We use the DNSBLs sbl-xbl.spamhaus.org and list.dsbl.org right now
and that combination is rock-solid and almost as efficient.
Just $0.02 from me.
Cheers
Peter
--
<peter.kadau@xxxxxxxxxxxxxxxx>
Campus der Max-Planck-Institute Tübingen
Netzwerk- und Systemadministration
Tel: +49 7071 601 598
Fax: +49 7071 601 616
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