> Hi All,
>
> Is there a way that LISTSERV can dedupe multiple mails going to one single
> email account that belong to two to three different mailing lists?.There by
> sending the mail once to me instead of in duplicates.

The basic answer is no. However, if you create a "super-list" and
designate those other lists as sub-lists. Then if you want to send your
message to those multiple lists, (without the subscribers receiving
multiple messages) you send it to the super list.

See the sub-list keyword:
http://www.lsoft.com/manuals/1.8d/owner/appendb.html#keySublists