THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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- The Razor database (http://razor.sourceforge.net) Vipul Ved Prakash and Jordan Ritter allow Unix clients to work out of the same database used by the commercial customers of the Cloudmark system. See UsingRazor for help on using Razor.
- Pyzor, a completely free database and software system, written by Frank Tobin. http://pyzor.sourceforge.net
- DCC, the Distributed Checksum Clearinghouse. http://www.rhyolite.com/anti-spam/dcc/ . See UsingDcc for help with DCC issues.
Note that these all require access to their servers through your firewall, if you have one. Read NetTestFirewallIssues for details.
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