On Tue Jun 1, 2021 at 8:50 PM EDT, Dale R. Worley wrote: > (My current guess is that your mailer is putting 0xA0 (NO-BREAK SPACE) > as the first of two spaces after '.' etc. and the BLU software turns it > into '?'.) I'm getting normal NBSPs over here, so I'd wager that the issue is somewhere between Mailman and your MUA.