[Mimedefang] Performance Benchmarking / Experiances

John Scully jscully at isupportisp.com
Thu Sep 25 15:09:01 EDT 2003


Because we are NOT allowing outbound mail through this filtering cluster
- it only accepts mail inbound to our 400 mail domains, so no relay
check is required, only a check of the recipients.  Any recipient not on
our mail domains gets a relay denied response.

John

-----Original Message-----
From: mimedefang-admin at lists.roaringpenguin.com
[mailto:mimedefang-admin at lists.roaringpenguin.com] On Behalf Of Clayton,
Nik [IT]
Sent: Thursday, September 25, 2003 11:44 AM
To: mimedefang at lists.roaringpenguin.com
Subject: RE: [Mimedefang] Performance Benchmarking / Experiances

> On the filtering servers sendmail is configured as a PROMISCUOUS RELAY
> so that it is NOT using the access.db to control relaying.  We use
> filter_relay in mimedefang to check against a black list of
> spammers...but that is not very effective.  Most of the work 
> is done in filter_recipient.

Why aren't you using the access.db?  Sendmail will consult this, and 
reject the message if necessary without ever needing to send data to
a milter.  Doing IP/domain based blacklisting in MIMEDefang isn't 
terribly efficient -- although it has other benefits (keeping the data
in external databases, for example).

N
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                                                    -- The 75
column-ometer
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120 Cheapside, x83331                         Q: Knock, knock

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