deliver: Use user's home dir or mail dir when creating temp files, instead of hardcoded /tmp.
deliver: Use user's home dir or mail dir when creating temp files, instead of hardcoded /tmp.

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