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From: "Pierre A Humblet" <Pierre DOT Humblet AT ieee DOT org>
To: "'Peter Senft'" <peter AT dusares DOT com>, <cygwin AT cygwin DOT com>
References: <553A597B DOT 3050606 AT dusares DOT com>
In-reply-to: <553A597B.3050606@dusares.com>
Subject: RE: Exim unable to send email with error "unable to set gid=544 or uid=18 after update
Date: Fri, 24 Apr 2015 11:48:09 -0400
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> -----Original Message-----
> From:  Peter Senft
> Sent: Friday, April 24, 2015 10:56 AM
> 
> Hi,
> 
> I had a perfectly fine running exim configuration, that delivered mail to a
> smart host and rewrote the sender address to be a specific one (necessary
> for the smart host). Then, through the installation of some additional tools, I
> also got an update for Exim (now Exim version 4.84
> #1 built 25-Jan-2015 22:16:19). Since then I receive the following error
> message, when I try to send emails:
> 
> -----> snip <-----
> 2015-04-24 14:20:21 unable to set gid=544 or uid=18 (euid=197108):
> privilege not needed
> -----> snap <-----

Sorry about that Peter. That must be a bug I introduced in the latest Cygwin port of exim when I improved its security.
I will look into it ASAP but meanwhile you should revert to the previous version of exim.

Pierre 



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