[Mimedefang] Performance Benchmarking / Experiances

[Clayton, Nik [IT]]

> 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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