Provided by: qmail_1.06-6.1_amd64
qmail-qmqpd - receive mail via QMQP
qmail-qmqpd receives mail messages via the Quick Mail Queueing Protocol (QMQP) and invokes qmail-queue to deposit them into the outgoing queue. qmail-qmqpd must be supplied several environment variables; see tcp-environ(5). qmail-qmqpd will relay messages to any destination. It should be invoked only for connections from preauthorized users.
tcp-env(1), tcpserver(1), tcp-environ(5), qmail-qmqpc(8), qmail-queue(8) qmail-qmqpd(8)