This procmail recipe catches a lot of spam, but might accidently catch a friendly email occasionally:
:0
* ^From:.*[0-9][0-9]([0-9])+.*@
number_spam
... trapping user names in the From header field that have 3 or more numbers.
This procmail recipe catches a lot of spam, but might accidently catch a friendly email occasionally:
:0
* ^From:.*[0-9][0-9]([0-9])+.*@
number_spam
... trapping user names in the From header field that have 3 or more numbers.