mh-access-types
mh-access-types is a variable defined in `mh-mime.el'.
Its value is shown below.
Documentation:
Valid MIME access-type values.
Value:
(("anon-ftp")
("file")
("ftp")
("gopher")
("http")
("local-file")
("mail-server")
("mailto")
("news")
("nntp")
("prospero")
("telnet")
("tftp")
("url")
("wais"))