lmtp: Make sure we partial messages aren't saved if client disconnects during DATA.
lmtp: Make sure we partial messages aren't saved if client disconnects during DATA.

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