Milter-greylist

Matthias Scheler <tron@...> wrote:

> > You can't fight on the HELO string, as the spammer can send whatever he
> > wants. HELO filtering is only going to help in dealing with very special
> > situations IMO.
> 
> But it works. I use "milter-regex" for this purpose and it rejected
> 831 SMTP connections (on a low traffic mail server) which used
> "HELO localhost" in the last 24 hours.

Yes, I added HELO filtering in milter-greylist for this kind of
problems. But I don't call it fighting against spammers. What can be
using HELO localhost, except a broken MTA configured as an open relay?

-- 
Emmanuel Dreyfus
http://hcpnet.free.fr/pubz
manu@...