[136640] in North American Network Operators' Group

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Re: quietly....

daemon@ATHENA.MIT.EDU (Lamar Owen)
Thu Feb 3 18:22:14 2011

Date: Thu, 3 Feb 2011 18:21:48 -0500
From: Lamar Owen <lowen@pari.edu>
To: nanog@nanog.org
In-Reply-To: <53353.1296773264@localhost>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

On Thursday, February 03, 2011 05:47:44 pm Valdis.Kletnieks@vt.edu wrote:
> ETRN (RFC1985) FTW.

POP (RFC918), and the current version, POP3 (RFC1081) both predate the ETRN RFC: by 12 and 8 years, respectively.  By 1996, POP3 was so thoroughly entrenched that ETRN really didn't have a chance to replace POP3 in normal use; of course, there was the point you mention below, too, that makes it less than useful for most e-mail tasks.  The ETRN portion, however, introduces the idea of a distinct server and a distinct client that the server holds state for.

> (Of course, the operational problem with ETRN is that it in fact *does*
> implement "every workstation gets its mail directly through SMTP", when the
> actual need is "every *mail recipient*".

That has its advantages for certain uses.  And its distinct disadvantages, as you correctly note, for most 'normal' uses.



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