Points taken, but let's give folks a chance to chime in with their preferences. (I knew about the List-Id header, but some folks may not, so it's useful to mention it.) That said, using that (or any other) header adds quite a bit of friction to the process of scanning, recognizing articles from a given list, etc.
> On Jan 2, 2022, at 17:28, Samuel Thibault <[email protected]> wrote: > Rich Morin, le dim. 02 janv. 2022 17:07:28 -0800, a ecrit: >> Several of my email lists augment the Subject line with an identifying >> prefix. I find this very useful in filtering, scanning, sorting, etc. >> Might we be able to add a prefix such as "[DA] " or "[DAT] " to this list? > > We can ask for this but it clutters the subject line a bit, so possibly > people won't like it. Note that mailing-list mails already have the > List-Id header which allows to filter/scan/sort. -r

