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From: Kai.Grossjohann@CS.Uni-Dortmund.DE (Kai =?iso-8859-1?q?Gro=DFjohann?=)
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Subject: Re: Thoughts on Message-ID generation
Date: 11 Mar 2001 16:09:02 +0100
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On 11 Mar 2001, Florian Weimer wrote:

> But message IDs are *not unique* for mail messages.  As soon as you
> crosspost a message to two mailing lists, there are at least two
> copies of the same message being distributed with different headers.

Then every news message violates the uniqueness constraint, too.
Every news server which sees the message frobs the Path header.

And if you send a mail message to two people, the Received headers
will be different.

Clearly, the Path and Received headers should not be considered
important when comparing two messages.

kai
-- 
Be indiscrete.  Do it continuously.