From d7e8e62797d80032471410ff2ae568a482f0f8b4 Mon Sep 17 00:00:00 2001 From: Lou Logan Date: Thu, 18 Apr 2019 12:01:57 -0800 Subject: [PATCH] doc/mailing-list-faq: add DMARC munging Signed-off-by: Lou Logan --- doc/mailing-list-faq.texi | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/doc/mailing-list-faq.texi b/doc/mailing-list-faq.texi index 132c037554..9c202d690a 100644 --- a/doc/mailing-list-faq.texi +++ b/doc/mailing-list-faq.texi @@ -257,6 +257,21 @@ with the subject @emph{set delivery off}. To re-enable mail delivery send a message to @email{ffmpeg-user-request@@ffmpeg.org} with the subject @emph{set delivery on}. +@section Why is the mailing list munging my address? + +This is due to subscribers that use a mail service with a DMARC reject policy +which adds difficulties to mailing list operators. + +The mailing list must re-write (munge) the @emph{From:} header for such users; +otherwise their mail service will reject and bounce the message resulting in +automatic unsubscribing from the mailing list. + +When sending a message these users will see @emph{via } +added to their name and the @emph{From:} address munged to the address of +the particular mailing list. + +If you want to avoid this then please use a different mail service. + @chapter Rules and Etiquette @section What are the rules and the proper etiquette?