Please ignore, I found mbox_reset_atime() in the source code and disabled it, now mutt seems to work again in the way I'm used to.
- bogus new mail notice: mtime/atime Claus Assmann
- Re: bogus new mail notice: mtime/atime Claus Assmann
- Re: bogus new mail notice: mtime/atime Derek Martin
- Re: bogus new mail notice: mtime/atime Claus Assmann