I'm trying to add a recipe to my spamtrap with what I think should be:
* ^Subject: .*([^!])\1\1\1\1\1[^\1]+$
but it never seems to match, though the lines are correctly matched by
FreeBSD's egrep.
Is backreferencing supported by procmail's internal egrep? Is there
some other way I should be doing this?
Thanks.
--
Paul Chvostek
<paul(_at_)it(_dot_)ca>
Operations / Development / Abuse / Whatever vox: +1 416 598-0000
IT Canada http://www.it.ca/
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