Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: utzoo!decvax!wivax!linus!allegra!eagle!harpo!utah-cs!lepreau
From: lepreau@utah-cs.UUCP
Newsgroups: net.mail,net.unix-wizards
Subject: Re: Mail Security and Locking Problems
Message-ID: <1652@utah-cs.UUCP>
Date: Fri, 3-Jun-83 15:18:08 EDT
Article-I.D.: utah-cs.1652
Posted: Fri Jun  3 15:18:08 1983
Date-Received: Thu, 9-Jun-83 01:35:32 EDT
References: utah-cs.1649 hou2b.22
Lines: 3

Sounds to me that you don't have /bin/mail setuid to root.
It must be in order to set the proper ownership and modes on
the target file.