Bug#921205: socket bind() to port 25 for address (any IPv6) failed: Address already in use: daemon abandoned

[Andreas Metzler]

On 2019-02-04 Marc Haber <mh+debian-packages at zugschlus.de> wrote:
> On Sun, Feb 03, 2019 at 01:20:53PM +0100, Andreas Metzler wrote:
>> That usually is a local configuration error, starting the daemon both
>> via initscript and other means, or having another program running that
>> is bound to 25. The timestamp only shows that the issue was present
>> after the latest installation/upgrade, it does not imply causality.  :-(

> I see similiar behavior in latest sid, after the upgrade to 4.92~RC5-1.
> Have not yet investigated in depth. Just mailing quickly to add my +1.

I do not see this on testing. Also RC4 to RC5 has a single code change
(in the SMTP) transport, so I rather suspect the recent systemd upgrade.

Is there any way to reproduce the problem?

cu Andreas
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