digest-md5: If client sent no input, log it as such instead of a more cryptic error.
digest-md5: If client sent no input, log it as such instead of a more cryptic error.

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