Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Posting-Version: version B 2.10.1 6/24/83; site hou3c.UUCP
Path: utzoo!linus!security!genrad!grkermit!masscomp!clyde!burl!hou3c!abc@brl-bmd.ARPA
From: abc@brl-bmd.ARPA
Newsgroups: net.mail.headers
Subject: Sender's Time Zone
Message-ID: <204@hou3c.UUCP>
Date: Mon, 30-Jan-84 11:08:26 EST
Article-I.D.: hou3c.204
Posted: Mon Jan 30 11:08:26 1984
Date-Received: Thu, 2-Feb-84 01:08:15 EST
Sender: ka@hou3c.UUCP (Kenneth Almquist)
Lines: 10

For what it's worth, I use the sender's date/time field for nearly all the
reasons mentioned by others. 

The application most-often invoked, however, seems to be to identify duplicate
messages (suspected) when reading mail.

Brint