It appears that Michael De Roover <ietf@xxxxxxxxxxxx> said: >On Saturday, 2 August 2025 19:56:11 CEST John Levine wrote: >> If you can do all that message sorting, surely you can make your >> mail scripts edit out the list tags from the subject line on >> the way in so we can stop arguing about this. > >I suppose it should be possible with a regex that searches from the first [ to >the last ]. Something like "s/\[.*\]/\[xxx\]/" to replace the [External] mess >with the original value, or "s/\[.*\]\ //" to get rid of it entirely. more like this in sed to get rid of multiple tags, but that's the idea /Subject:/s/\[[^]]*\] *//g > Whether that is done on the MDA server, or in what appears to be Mailman ... The idea is that people who don't like the tags can arrange to edit them out as the mail arrives on their own mail systems. We've heard from plenty of people who like the tags so they're not going away at the IETF end. R's, John