On 7/17/03 10:46 PM, "Tim Litwiller" <[EMAIL PROTECTED]> wrote:
> I have been running mail servers for several of our clients with
> spamassassin for several months. Now a client that has an exchange
> server want to clean up thier email but pass the mail thru to the
> exchange server. I have seen several discussions the lead me to believe
> that this is not an uncommon setup here on the list.
>
> Which would be your recomendations for linux distro
> which mailer is reasonably secure easy to keep secure
> scan for virus with clam av
> scan with spamassassin
> then forward to exchange server
I do this using Sendmail / MIMEDefang / SpamAssassin / Clamav
it works damned well and i'm happy with it.
granted, there are other solutions out there that use different MTAs (of
which i'm not familiar with, but others on the list are)
with the assistance of members of the MIMEDefang list, I have even gotten
the setup to do LDAP lookups into the Active Directory and return an Unknown
user... error if appropriate. This has nearly eliminated all the bounce
notifications to the postmaster account that's caused by exchange sending a
*new* mail to notify the sender that the user doesn't exist. (typically when
a worm or spam comes in with a forged sender) it also reduces the load on
the system by doing so.
again, other MTAs will give you these capabilities as well, some won't.
YMMV
alan
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