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mcrosslandFlag for United States of America

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External Spam Filtering Service

I am currently using an external spam filtering service.
All email is delivered through that third party and then only mail that passes all of the tests is sent on to my Exchange server.
I can review emails, re-deliver, forward, whitelist, blacklist, etc all from a web browser.

The company that I am currently using continues to have slowdowns that are unacceptable.

I'm looking for suggestions of alternate companies that someone has experience with using.

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Thanks for your comments.  I intentionally left out the name of the company because they have served us well for most of their years with us.  Downtime has just gotten excessive but I respect them enough not to throw their name out there as someone not to use.


I've set this up in the past for clients and they have been happy with the results. I think they are the biggest company in their market.
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but the builtin spamfilter to exchange (not outlook) works great
try or spamhaus , both of these do a top job.

also in exhcange there are a lot of built in spam options...if u search my previous posts u will find ways to set it up with server 2003, but i'd recommend using one of the two options i first listed
Im using amavisd with spamassassin, working like a charm, and easy to setup also. Also free, runs under nix though
I have been using for about 2 years.  Works very good for us.  Tried others and their pricing is also very good.
We use Katharion for a large portion of our clients.