Il 18/02/22 16:44, Sergey Poznyakoff ha scritto:
[...] Thanks, that clarified the picture. You have forgotten to mention that you were using PLAIN. I was able to reproduce the bug when I switched to it. I have fixed the bug in commit 6f0dfc97a0[1]. [...] [1] https://git.savannah.gnu.org/cgit/mailutils.git/commit/?id=6f0dfc97a0484029d8719cd6fd629fa7f4af814c
I confirm that your patch fixes the issue: I can now authenticate and access local mailboxes.
Thank you very much Sergey!