A lot of spammers use modified words to get throuth spam filters. What they do is take a word like ‘casino’ and insert a random character into it. For example ‘ca!sino’. If you get a lot of spam with words modifed like this, then you can use to generate pattern rules for SpamAssassin.

All you have to do is specify the score to add for each modified word match (I use 0.5) and a list of words like casino, gambling, viagra, etc. The script will output a set of rules to match modified words. You can save the output in your file or pipe it somewhere else.

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