Bug#962847: exim4: takes forever to send a mail after sleeping

Marc Haber mh+debian-packages at zugschlus.de
Mon Jun 15 17:01:55 BST 2020

On Mon, Jun 15, 2020 at 01:56:18PM +0200, RĂ©mi Letot wrote:
> My mail client and exim are both running on my laptop, and the provided
> logs are from that same laptop.
> The fault is the delay between exim accepting the message, and actually
> delivering it to the smarthost. During that delay, my mail client is
> stuck too.

That is highly implausible. In a normal setup, the SMTP client is out of
the game as soon exim has locally queued the message. Can you run
tcpdump on lo to find out what's happening? I guess that you're putting
the laptop to sleep before the (local) TCP session has been properly
closed, making it subject to the exponential backoff algorithm and
eventually a session timeout. There is not much exim can do in this

Maybe it helps to force exim to actually queue messsages from lo instead
of trying immediate delivery?


Marc Haber         | "I don't trust Computers. They | Mailadresse im Header
Leimen, Germany    |  lose things."    Winona Ryder | Fon: *49 6224 1600402
Nordisch by Nature |  How to make an American Quilt | Fax: *49 6224 1600421

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