Re: [Exim] local delivery troubles

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Author: Philip Hazel
Date:  
To: Peter Bowyer
CC: Exim-users
Subject: Re: [Exim] local delivery troubles
On Sat, 3 Apr 2004, Peter Bowyer wrote:

> Check permissions on the exim binary - should be suid root:
>
> -rwsr-xr-x    1 root     root       771438 Feb 25 22:28 /usr/exim/bin/exim

>
> If it isn't, then it will still be running as the exim user when it comes to
> the local delivery, and so won't be able to suid to the local user.
>
> Philip - wishlist - can exim detect this on startup and issue a suitable
> error message? It comes up once a week or so here....


Not really, because on start up Exim does not know that it is going to
deliver a message, and in any case, it is possible to run Exim
deliberately not setuid, and there are sites that do this.

--
Philip Hazel            University of Cambridge Computing Service,
ph10@???      Cambridge, England. Phone: +44 1223 334714.
Get the Exim 4 book:    http://www.uit.co.uk/exim-book