> From: Kristopher Austin [mailto:[EMAIL PROTECTED]
> 
> You've gotten some good responses, but like Chris I will share my
> experiences:

Yes, I appreciate everyone's help.  I finally just threw a copy of
spamass-milter on there (already had the clamav-milter running) and it
seems to be working pretty good so far.  Just a couple little issues to
clear up. 

Specifically:

spamass-milter[27130]: Could not extract score from <No, score=0.1
required=5.0 tests=FORGED_RCVD_HELO  ^Iautolearn=failed version=3.0.1>

So if anyone has any idea on that one I'd appreciate it.
 
> We use Exim4 with sa-exim.  Sa-exim also adds some greylisting
> abilities.
> 
> More importantly, Exim4 has LDAP query abilities so we can query our
> Active Directory before accepting a recipient.  This is essential in
our
> situation since we are a university and have a very high turnover in
> email addresses.  My logs show that over 60% of our incoming email is
to
> invalid addresses.  If it wasn't for LDAP queries, we would have
scanned
> all that email for spam and viruses and then let the Exchange servers
> drop the bad addresses.
> 
> Out of curiosity, does anyone know what other MTAs might support LDAP
> queries?

I know sendmail has LDAP support for sure.  I'd implement something
similar but I don't like the idea of an e-mail gateway in the DMZ being
able to query the Exchange service on the private network via LDAP.  Pix
would end up looking like swiss cheese with all those holes in it :)

Thanks again for your help everyone.  I appreciate all your suggestions.
 
> Have fun!
> 
> Kris
> 
> -----Original Message-----
> From: Jon Dossey [mailto:[EMAIL PROTECTED]
> Sent: Monday, November 22, 2004 8:59 AM
> To: users@spamassassin.apache.org
> Subject: Spamassassin on an E-Mail Gateway
> 
> 
> Redhat FC2, sendmail 8.13.1, and spamassassin 3.0.1 (spamc/spamd)
> 
> Can't invoke spamassassin via procmail, since no mail is delivered
> locally, just relayed to an exchange server.
> 
> What are my options?  I've seen MIMEDefang and spamassass-milter
(which
> won't compile on my completely generic redhat fc2 box).
> 
> Are those my only real options?
> 
> Thanks,
> Jon Dossey
> DELTA HEALTH GROUP
> 
> 
>
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