Hmm, so the Date: header doesn't look weird to you? :)

>Date:         Tue, 16 Jun 1998 08:28:32 EST5EDT4,M4.1.0,M10.5.0

This would be coming from the original poster, LISTSERV doesn't mess
with the Date: header.  I don't know that this is what's crashing
Eudora per se, but it's certainly suspicious.

Nathan