Babyl
The nnbabyl back end will use a Babyl mail box to store mail. nnbabyl will add extra headers to each mail article to say which group it belongs in.
Virtual server settings:
nnbabyl-mbox-file
The name of the Babyl file. The default is ~/RMAIL
nnbabyl-active-file
The name of the active file for the Babyl file. The default is ~/.rmail-active
nnbabyl-get-new-mail
If non-nil, nnbabyl will read incoming mail. Default is t