I had a similar problem with a recent subscriber -- his solution was to
have his mail system set him up an alias with the domain in all upper-case
letters.

Sherry


>New subscribers show up on lists with the host portion of their address
>(everything
>after the @) in upper case, even when the ADD or SUBSCRIBE command gave the
>complete mail address in lower case. Is this normal LISTSERV behavior or
>peculiar to our site? Is there some way to preserve the lower case? One
>subscriber works for EDS and apparently the mail system there is case
>sensitive. It won't accept the list postings for this subscriber because of
>the upper case. Is there a solution to this problem?
>Tom Kozma                               Phone: 313-577-4821
>Academic Computing & Customer Services    Fax: 313-577-8787
>WAYNE STATE UNIVERSTY, Detroit MI 48202 Email: [log in to unmask]