Subject: Re: recognition of ipusers

From: Roman Czyborra <[email-masked]>
Date: Thu, 30 Mar 1995 01:02:11 +0200

> > 	:0:
> > 	* ! ^^.*@
> > 	local

> Are you saying that the recipe above will recognize the absense
> of an "@" sign and put such messages in a folder called "local"?

Yes, exactly.

> How does it work? What does "!" mean, and "^^"?

^^ anchors the search at the very first line containing the From whom
when, .* eats a random number of characters in that line before @
matches the @ sign.

The ! negates the match so that the action is only taken whenever the
pattern could not be found.