One of the best features of Postini is the ability to write custom content filters. I leverage these to snipe spam that Postini doesn’t catch. One of my most effective (24,000+ caught in 42 days) is a filter I’ve titled ‘invigorate:’

This will catch anything with either “viagra” or “cialis” in the subject line and a hyperlink anywhere in the body.

Sometimes the simplest things are the most effective.

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