Specifying "-.-" as the destination server in SERVER parameter of
NNTP-DeleGate means using the DeleGate as an origin NNTP server
which has its own spools to be retrieved and posted.
To make a new newsgroup named newsGroup,
make an empty file
To relay an existing "/path/of/MH-folder" as newsGroup,
make a file like above and fill it with content like
0 0 0 0 /path/of/MH-folder
(four zeros followed by a path name of a MH-folder)
When a posted article has Unix-From like "From userdate"
as the first line or has a "Unix-From: userdate" header,
the article number for the article is set to the one indicated in
"X-Seqno" (or "X-Sequence") header if exists,
and the creation date of the spool file will be set to the date
in the Unix-From.