On Mon, 29 Jan 2007, Seth Goodman wrote:
An interesting way to facilitate whitelisting. Unless you're proposing
a new ESMTP extension or putting this information into the headers, this
Two new ESMTP extensions. (One for TENBOX/Authentication, and one for
Forwarder whitelisting is another matter, as it suggests the forwarding
domain is immune to spam complaints, and that's a much higher level of
trust. I don't see a great deal of motivation for large recipient
systems, who will often be the target of forwards, to whitelist such
mail and then deal with spam complaints for messages they wouldn't have
You need to read over my root message in "The forwarder's perspective"
again. Basically, the superwhitelisting is "bait" to get forwarders to
implement their side of TENBOX, when they aren't motivated to do SRS.
Backscatter is a big problem for forwarders. TENBOX will make it go
away. SRS makes it worse, because by relaying the DSNs, the forwarder
takes the reputation hit for the recipient's backscatter.
---- Michael Deutschmann <michael(_at_)talamasca(_dot_)ocis(_dot_)net>
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