On: Mon, Apr 28, 2003 at 07:57:59AM -0400,Pete Weiss Wrote:

} It almost always "helps" to have the subscribe forward to you a set of
} duplicates with *all* RECEIVED line headers.
}
} Also ask your subscriber if they have been subscribed under any other
} surname or from another instituition/ISP.
}
} Looks for any "group" subscribers.  We've had folks individually and
} group-subscribed.  We highly discourage group-subscribes for that very
} reason.

Besides this, set the subscriber to NOMAIL on the address you know
about, then see if they get one less or none.

As Pete suggests,  a FULL set of headers can be very useful.  If one
mail went from Listserv to B to C to subscriber, and another went from
Listserv to X to Y to subscriber, check for subs from X, Y, A & B.

--
Rich Greenberg   Work:  Rich.Greenberg atsign worldspan.com  + 1 770 563 6656
N6LRT   Marietta, GA, USA   Play: richgr atsign panix.com    + 1 770 321 6507
Eastern time zone.   I speak for myself & my dogs only.     VM'er since CP-67
Canines:Val(Chinook,CGC,TT), Red & Shasta(Husky,(RIP))        Owner:Chinook-L
Atlanta Siberian Husky Rescue. www.panix.com/~richgr/   Asst Owner:Sibernet-L