Usage:

	Qmail is configured to deliver mail for friend@virt.dom to
	joe-friend@YOURHOST.

	Joe directs all such messages to ~joe/Maildir-friend and sets
	the password for that maildir to "test":

	joe@YOURHOST$ maildirmake ~/Maildir-friend
	joe@YOURHOST$ maildirpasswd friend
	New password: 
	New password (again): 
	Ok, putting encrypted password KMG.BxNZMuaak in ~/Maildir-test/passwd

	Joe's friend can POP his mail from YOURHOST using login
	"joe-friend" and password "test".

Requirements:

	qmail
	checkpassword

Installation:

Compile and install maildirpop3d:

	# make install

If you're using inetd, add this to /etc/inetd.conf (all on one line):

	pop3 stream tcp nowait root
	/var/qmail/bin/qmail-popup qmail-popup
	/usr/local/sbin/maildirpop3d /var/qmail/bin/qmail-pop3d Maildir
	/PATH/TO/checkpassword &

If you're using tcpserver, arrange for this to be run at startup (all
on one line):

	/usr/local/bin/tcpserver 0 pop3 /var/qmail/bin/qmail-popup YOURHOST
	/usr/local/sbin/maildirpop3d /var/qmail/bin/qmail-pop3d Maildir
	/PATH/TO/checkpassword &

If checkpassword is in PATH, you can leave out /PATH/TO/checkpassword.
Otherwise, replace it with the full path to checkpassword.

If your maildirs are called something other than Maildir, replace
Maildir with whatever they're called.