>What are people's viws on SMTP Proxies?

I've come to the position that you should not be a mail admin if you run
your mailbox server as MX host. :))

>Should you use one? If not, what functionality do you lose?

none.

I've been running IMGate (my sig) for nearly two years now. and several
100 other orgs have adopted it. I have nothing but extremely positive
reports.

90% reduction in abuse,
reduction in mail infections(with out,
isolating the mailbox server from DoS'es,

increase in mailbox server zippiness due to offloading of:

SMTP dialog with internet MTA's
DNS lookups
mail re-deliveries/queueing
bounce processing

Len

http://MenAndMice.com/DNS-training
http://BIND8NT.MEIway.com : ISC BIND 8.2.4 for NT4 & W2K
http://IMGate.MEIway.com : Build free, hi-perf, anti-abuse mail gateways

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