Re: history of using a comment for display-name?

Larry Campbell <campbell@world.std.com> Wed, 14 March 2001 03:28 UTC

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Date: Tue, 13 Mar 2001 22:27:07 -0500
From: Larry Campbell <campbell@world.std.com>
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To: Michael Richardson <mcr@sandelman.ottawa.on.ca>
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Subject: Re: history of using a comment for display-name?
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On Tuesday, March 13, 2001, at 12:09 PM, Michael Richardson wrote:

> >>>>> "Larry" == Larry Osterman <larryo@Exchange.Microsoft.com> writes: 
>     Larry> And then there's my old friend (used by a popular client at one point) 
>  
>     Larry> From: Foo@domain (Return Reciept Requested) 
>  
>   I've never heard of this. 

This was actually standardized in RFC1327 (and partially deprecated in its followon, RFC2156). It's a way for X.400 gateways to represent service elements not available in RFC822. In X.400, one could specify options like "Receipt Notification Requested" and "Reply Requested" on a per-recipient basis. An RFC2156-compliant gateway would append these options to each address as a comment.