dbmail-lmtpd - receive messages from an MTA supporting the Lightweight
Mail Transport Protocol, as specified in RFC 2033.
dbmail-lmtpd [-f configfile] [-p pidfile] [-nvVh]
Mail Transfer Agents, MTA's such as Postfix and Exim, speak LMTP to
their Mail Delivery Agents which receive and store messages. DBMail
implements such a system using a database backend.