Power Filter
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The Power Filter Analyzer lets you set up very powerful filters that work on specific parts of messages. Set up filters that analyze just the Subject, or only the Headers.

Some pre-defined filters have been set up. You cannot edit the pre-defined filters. You can turn them on or off. If you want to change them, just make a copy, by selecting one and hitting the Copy button. Then you can turn off the pre-defined filter and tailor the copy to your own liking.

The pre-defined filters use a powerful regular expression syntax that allows complex pattern matching. The details of the regular expression syntax are listed in Appendix A. Be careful, as some complex regular expressions can take a long time to match in a large e-mail message.