#<protocol>	<server>		<user>		<password>
pop/POP		mail.mew.org		kiki		brown
pop/APOP	mail.mew.org		jiji		black
imap/AUTH	mail.foo.com		user		secret
imap/LOGIN	mail.foo.com		user		secret

http/Basic	www.bar.org		user		secret
http/Basic	www.bar.org/~abc/	user		secret
http/Basic	www.bar.org:8080/def/	user		secret