From: Ralf Hildebrandt (Ralf.Hildebrandtcharite.de)
Date: Thu May 01 2003 - 03:35:26 CDT

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* Hal Murray <hmurraysuespammers.org>:

> Does anybody have any data on how much spam that catches? What other
> anti-spam measures are you using ahead of it?

We use it with a list of "frequently forged sender domains", which
contains domains like "hotmail.com" and "aol.com".

Our log from yesterday:

zgrep "Sender address rejected: undeliverable address" maillog.gz |wc -l
177

zgrep "Sender address rejected: unverified address" maillog.gz |wc -l
2690
   
zgrep "reject:" maillog.gz |wc -l
7067
   
> Do spammers actually use their return address?

No

> Does reject_unverified_sender actually you anything about the spammer?

This sentence no verb

> I think most of my spam has all the header info forged. I don't have
> any data to back that up.

Headers are irrelevant here.

--
Ralf Hildebrandt Ralf.Hildebrandtcharite.de
my current spamtrap partmaps040102charite.de
http://www.arschkrebs.de/postfix/ Tel. +49 (0)30-450 570-155
Why you can't find your system administrators:
You *are* the system administrator

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