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Date:      Wed, 27 Nov 1996 16:17:01 +0100 (MET)
From:      Greg Lehey <>
To: (Philip Crewdson)
Subject:   Re: local delivery problems with exim
Message-ID:  <>
In-Reply-To: <l03010600aec1193203f5@[]> from Philip Crewdson at "Nov 26, 96 10:04:43 pm"

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Philip Crewdson writes:
> Hi,
> I'm trying to run exim 1.58, which I got from the Cambridge source. It's
> working fine, except it won't deliver locally - it doesn't seem to be able
> to adopt the uid of local users. Anyone had/solved this problem?

I don't know exim, but the problem looks familiar: you need to set
your program setuid root:

  # chown root exim
  # chown 4755 exim

The '4' is the suid bit.

If this doesn't work, let me know.  setuid(2) and setgid(2) have some
surprises in store.


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