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When I send an eMail with Kontact (KDEPIM), my Message-ID headers look like this:

Message-ID: <1548233.Ax4hfq5P2Q@pbecbengr-rivy-znaqngrq-ba.tglase.lan.tarent.de>

In contrast, my regular MUA uses:

Message-ID: <[email protected]>

So, why does KMail not use just the FQDN of my host, and why does it use the string “pbecbengr-rivy-znaqngrq-ba” (which is rot13 for “corporate-evil-mandated-on”)? Duckduckgoïng and googling for either string does not yield anything informative or at all…

mirabilos
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  • I can't reproduce this on my machines. Who built/packaged your installation of kmail? I'm building my from KDE's git, and it does not do this. – casey Aug 26 '14 at 14:44
  • Oh okay… this is Debian’s 4.11 (on x32) from unstable, although 4.12 (when I was still running i386) also did this. – mirabilos Aug 27 '14 at 10:46
  • Message-ID: <8988368.jUmubmy0Nr@pbecbengr-rivy-znaqngrq-ba.tglase.lan.tarent.de> User-Agent: KMail/4.14 (Linux/3.14-2-amd64; KDE/4.14.0; x86_64; ; ) – mirabilos Sep 05 '14 at 15:47
  • Still cant reproduce. My kmail: `Message-ID: <1607262.zf0EqVXt1d@convect>` and `User-Agent: KMail/4.14 (Linux/3.12.13-gentoo-convect-systemd; KDE/4.14.0; x86_64; git-8c495f4; 2014-08-31)` – casey Sep 05 '14 at 15:52

1 Answers1

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Args. Apparently, this has been written into my ~/.kde/share/config/kmail2rc under [Composer]myMessageIdSuffix, which I could then backtrace to the “Headers” tab of the “Composer” group of “Settings → Co̲nfigure KMail…”.

Now, the only remaining question is, who has set it there, why, and how. But I guess this answers the initial question I had, and un-checking the “U̲se custom message-id suffix” box helped. (Funnily enough, the Message-ID suffix is normally set under Identities → Advanced…)

mirabilos
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