From: Alex Stade (alextrdlnk.com)
Date: Mon Aug 02 2004 - 13:48:48 CDT

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Hi,

I have a firewall which is sequestered from my NIS environment and as
such I want the firewall to forward all incoming mail to a mailserver
which has the actual user accounts (it runs sendmail, but I doubt that's
of relevance) where the actual delivery will take place. The problem I
have is that I am trying to use a content_filter which requires that I
expand the equivalent of ${user}, which I obviously can't do since the
user in question doesn't exist in the firewall's passwd file.

Is it possible to derive from say ${recipient} (which ought to be known
on the firewall) the portion prior to the '' and assign that to some
custom variable? Or is there some builtin function or variable that
already does this?

-Alex

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