Analyzing a simple rule
Let us assume that we are receiving large amounts of mail from a particular mail group that we subscribed to. The mail is interesting, but isn't important and we would prefer to read it at our leisure. The subject is "mythical monsters" and all e-mail arriving from this mailing list has a "To" address of <mythical@monsters.com>. We have decided that we will create a special folder just for these items of mail, and copy all the mail into this folder. This is a simple rule that you will be able to easily copy and modify to process your own mail in the future.
The rule structure
The following is an example copy of a very simple .procmail file taken from a user's home directory and is intended to explain some of the basic features ...
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