POP3 clients and "read" messages

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#405

From: Bob Cousins
Date: Thu, 21 Aug 1997 00:00

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I'm a bit confused as to how generally determine if a message on a
POP3 mail server has been previously "read" or not. The POP3 RFC
doesn't seem to be specify this (unless I missed something!). 

I assume POP3 clients rely on information recorded by the POP3 server,
and do not store IDs of messages locally. 

I know that Demon provide the *ENV command, is this widely supported?
The POP3 servers I've come across (e.g Unix pop3d) used to (still do?)
add a header line "Status: read" to the message if it was reread.

Thoughts anyone?
-- 
Bob Cousins, Software Engineer.
Home page at http://www.demon.co.uk/sirius-cybernetics/

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From: bob@lintilla.demon.co.uk (Bob Cousins)
Subject: POP3 clients and "read" messages
Date: 1997/08/21
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