Re: Use of 'mail' attribute for routing?

From: Randall S. Winchester (rsw@sendmail.com)
Date: Mon Aug 07 2000 - 15:14:02 PDT


On Mon, 7 Aug 2000 Jeff.Hodges@kingsmountain.com wrote:

: rlmorgan@washington.edu said:
: > My opinion, which I hold as strongly as it is possible for me to hold
: > an opinion, is that the "mail" attribute must not be used for routing.
:
: eric@sendmail.org said:
: > Leave it as a whitepages only entry.
:
: I firmly believe this is the correct way to go.

It is not a "whitepages *only* entry", and it has not been since email
*every* major client application started supporting LDAP to fill in
the "To: " or "Cc: " lines.

These are explicitly the addresses that make up the recipient list
that you need for mail routing.

If you do not support it in the standard, then the standard will be
ignored.

You can not expect everyones provisioning system to duplicate the mail
attribute to *meet the standard*. I did this once and regret it,
because I had to verify every application that changed one, changed
the other. I have not done this since.

The places where I would not feel impelled to use the mail attribute:

A Service Provider that did not use this feature for their client
support. [ I would still have the Service Provider consider the
ramifications (duplication requirements) of not using the mail
attribute if they ever wanted to provide enterprise hosting
solutions. ]

The places where I would:

Everyone else.

Randall



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