On Fri, May 16, 2025 at 08:37:01AM +0000, dvalin--- via Mutt-users wrote:
I've yet to see anything to fix, having used mbox format exclusively since the 1980s, with mutt since the late 90s. It just effortlessly works with complete reliability - never a hiccup.
If you use only Mutt, only with mbox files created by Mutt, it will work fine. That's often true for other programs, too -- each program can read what it writes. Generally the trouble arises when you mix software.
Have you never seen a message line modified to start with ">From "?
