2020.12.09 20:54 "Re: [Tiff] Change of mailing list DMARC related setting", by Jeff McKenna

OSGeo administrators have identified that emails sent by users from some domains were marked as spam when received on email acounts hosted by gmail or other providers being strict on DMARC (don't ask me more about what this is!). According to their recommandation, I've just changed the tiff@ mailing list setting of the 'dmarc_mitigate_action' parameter of mailman to 'munge_from' (see https://mailman.readthedocs.io/en/release-3.1/src/mailman/handlers/docs/dmarc-mitigations.html ). The effect of this is to rewrite the "From" part of the email to not be the original sender but "<sender name> via <mailing list name>", and its email in CC instead.

On other OSGeo hosted mailing lists, it has been observed that doing so solves
some issues.

For the record it was me who made the TIFF list setting change, 7 hours ago, as well as for the PROJ, MapServer lists etc (see change reported at https://trac.osgeo.org/osgeo/ticket/2475#comment:31). If you need any other changes let me know.

-jeff

Jeff McKenna
GatewayGeo: MapServer Consulting and Training Services
co-founder of FOSS4G
http://gatewaygeo.com/