[TriLUG] sendmail & ldap > exchange howto?

[Paul G. Szabady]

I'm using mimedefang for clamav, rbls, and spamassassin.  I didn't realize
it could do this as well.  Do you have any references?

-- 
Paul
@ Thy Service

> mimedefang will do this and a bunch more.
>
> Matt P.
>
> On Wed, February 8, 2006 6:12 pm, Paul G. Szabady wrote:
>> Folks,
>>
>> I'm running a RHEL 4.2 server w/sendmail (8.13) as a mail gateway.  I
>> currently use a mailertable entry to forward email to an exchange
>> server
>> after some basic spam, av, and rbl filters.  The problem I'm facing is
>> all
>> the spam that gets by it which is destined for ficticious users gets
>> bounced back to the gateway server.  (I'm not rejecting or discarding
>> spam, just marking it.)  I'm getting 350 +/- NDA bounces a day!  I
>> believe
>> I can use Sendmail's built-in ability to perform LDAP queries for
>> valid
>> users (a.k.a. smtp addresses) in the active directory / exchange
>> environment.  If I understand it correctly, this query takes place
>> during
>> the smtp layer and will bounce the email for unknown users immediately
>> (from the gateway/linux server, rather than the current situation
>> which
>> lets the email into the exchange store and attempt to send a NDA to
>> the
>> sender, which is now my mail gateway.
>>
>> I've been looking around for a HOWTO, but can't seem to find one.
>> Does
>> anyone have any suggestions on where I might find a simple HOWTO?  I
>> dread
>> the thought of having to dig into the bowels of ldap to figure it if
>> someone's already documented it.  ;(
>>
>> Thanks in advance!
>>
>> --
>> Paul
>> @ Thy Service
>>
>>
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>
>
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