In article <[log in to unmask]>, "Lance A. Brown"
<[log in to unmask]> says:
>
>I've checked all the docs I have and can't figure out how to tell
>Listserv to leave the Message-Id: header alone if there is one on
>incoming mail for a list.
 
I don't know how to leave the ORIGINAL msg-id either BUT,
you can get listserv to generate one in three different
SET options: FULLBSMTP, FULLHDR, and IETFHDR.
 
/P