mbox: If we notice our internal state is wrong, avoid further corruption by returning error.
mbox: If we notice our internal state is wrong, avoid further corruption by returning error.

LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot