Mike Tubby <[email protected]> (Do 07 Apr 2016 01:31:33 CEST): > Anyone else seeing this with Exim 4.87? > > Warning: No server certificate defined; TLS connections will fail. > > during "make install" and in panic log, while having a self-signed > certificate defined (same config as Exim-4.86) and yet TLS appears to work? > > > During "make install": > > >>> exim binary built > make[1]: Leaving directory `/home/mike/exim-4.87/build-Linux-i386' > Installation directory is /usr/local/bin > > 2016-04-07 00:16:35 Warning: No server certificate defined; TLS connections > will fail. > Suggested action: either install a certificate or change > tls_advertise_hosts option > cp exim /usr/local/bin/exim-4.87-3 > /bin/chown root /usr/local/bin/exim-4.87-3
That warning probably is caused by the scripts/exim_install script.
Around line 220 the built Exim is called with -bV -C /dev/null.
While we suppress warnings in the test/check modes (-bt, -bv, …), we do
not suppress warnings for -bV, since this is used for verification
purposes of your configuration. And while /dev/null is a valid
configuration, it's triggering that warning.
(And I even think, that the warning about keep_environment should
appear … )
…
> ...
>
>
> During start-up:
> root@relay1:~/exim-4.87# service exim start
> * Starting Exim MTA [ OK ]
> Warning: Exim paniclog has non-zero size, mail system possibly broken
> root@relay1:~/exim-4.87# cat /var/log/exim/paniclog
> 2016-04-07 00:16:35 Warning: No server certificate defined; TLS connections
> will fail.
> Suggested action: either install a certificate or change
> tls_advertise_hosts option
Yes, that's the warning from the installation step, it went into your
paniclog (compare the timestamps: 00:16:35).
If you - after the installation - call exim -bV, no warning should
appear anymore.
Best regards from Dresden/Germany
Viele Grüße aus Dresden
Heiko Schlittermann
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