dbmail-lmtpd(8) on Linux
The text 84bcb9d5df99, as Debian 6.0 (Squeeze), Debian 5.0 (Lenny) shipped it.
receive messages from an MTA supporting the Lightweight Mail Transport Protocol, as specified in RFC 2033.
Flags it lists
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-V -
-f -
-h -
-n -
-p -
-q -
-v