maildir2qmtp - blast a maildir across QMTP
maildir2smtp dir prefix targetip
maildir2qmtp is just like maildir2smtp except that (1) it uses QMTP instead of SMTP and (2) it does not take a helo- host argument. maildir2qmtp is faster than maildir2smtp.
maildir2smtp(1), qmail-qmtpd(8)