North American Network Operators Group
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Re: Time to check the rate limits on your mail servers
- From: Todd Vierling
- Date: Fri Feb 04 09:55:48 2005
On Thu, 3 Feb 2005, Edward B. Dreger wrote:
> JJ> auth is sufficient to make email traceable to your own customers.
>
> End users also would appreciate the ability to _know_ a message is not
> forged.
The only way to be sure is via cryptographic signature. Barring that level
of immediate traceability, SPF provides a very useful data point to that
end (as its *only* purpose is curbing forgery).
--
-- Todd Vierling <tv@duh.org> <tv@pobox.com>
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