[postgis-users] DMARC config

Greg Troxel gdt at lexort.com
Thu Aug 24 05:18:24 PDT 2023


The From: field is ok:

  From: Jürgen E. Fischer <jef at norbit.de>

DKIM failed both on ingress to osgeo and on delivery to me.  Feel free
to send me a private message and I'll let you know how my server
processed your DKIM headers.

  Authentication-Results: s1.lexort.com; dkim=fail reason="signature verification failed" (2048-bit key) header.d=norbit.de header.i=@norbit.de header.b=bpeihA1U
  Authentication-Results: lists.osgeo.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=norbit.de header.i=@norbit.de header.b="bpeihA1U"; dkim-atps=neutral

The reply-to field is set incorrectly:

  Reply-To: PostGIS Users Discussion <postgis-users at lists.osgeo.org>

which will cause the "reply" action of an MUA to send what is intended
to be a private message to the list.   (Unless that MUA is configured to
ignore Reply-To becuase of the prevalance of this bad behavior!)

There is a spurious MIME part at the end, which explains my server
getting a DKIM signature failure, but at least it is outside of your
multipart/signed, on which PGP signature verification was successful.
Often list modifications break OpenPGP signatures.


  --===============6744765610951868642==
  Content-Type: text/plain; charset="us-ascii"
  MIME-Version: 1.0
  Content-Transfer-Encoding: 7bit
  Content-Disposition: inline

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  --===============6744765610951868642==--



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