On Mon, 09 Mar 2020 11:27:46 +0100, Andreas Schwab wrote: > On Mär 09 2020, Richard Bradfield wrote: > > > It appears that since the migration (or whatever happened on the list > > over the weekend), the List-Id header is also being stripped from > > outbound mail. > > Worksforme. These are the list-related headers of your mail:
Two user errors from me, my client was hiding some (but not all) extra headers, and my filter rule was 'exactly equals gcc@gcc.gnu.org' rather than 'contains', post migration the List-Id includes the name portion, so that broke which led to me checking the headers and missing them... Thanks for looking! -- Richard