Remove the _message_fd_rw() backend API.  The incoming message file
is created by the queue process itself.
Merge branch 'master' of ssh://ssh.poolp.org/git/opensmtpd
getmailname()
do not perform getaddrinfo if name is already canon
fix minor error in smtpd.conf(5) reported by Tyler Morgan
Merge branch 'issue212-fqdn'