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SPAM filter automation

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by california dead head

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What do you do to help filter SPAM from your corporate mail. I have a Sonic firewall and an Exchange 2000 server. I have been using the Exchange server filter manually adding domains and IP's that we want blocked and some manual filtering in the Sonic wall for IP's that are reoccuring frequently but the lists are getting VERY long and it is time consuming adding stuff daily by hand all the time.
Please let me know some good products, services or techniques to reduce our SPAM.

Please bespecific with websites or instruction. All helpful suggestion will get points

3 replies

by Ryan Boudreaux140

I am currently reviewing the email filter at our organizaiton as I write this answer. We use SurfControl SuperScout Email Message Filter for our email, and it has been in use for just over a year. We have many rules setup in a heirarcy scheme for filtering SPAM, viruses, unknown attachments, executables, isolated graphics, unknown recipients, discard domains, and isolated subjects. If you can add specific subject lines to your filter this helps too. The time factor is unavoidable, we spend up to 2 hours per day reviewing isolated emails, releasing known good emails, and deleting the rest. This is a time consuming process, but we have emilinated over 95% of the SPAM and unwanted email from ever reaching our employees. The website for download or ordering CD's is (no spaces between URL) http://www.surfcontrol.com

I hope this brief overview helps!
ET

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