On Tue, 13 Mar 2007 11:35:05 PDT, David MacQuigg said:
But even if there were a chain of MTAs between you and Songbird, and they
were clearly labeled with different domain names, I'm still not seeing the
utility of having outsiders treat Songbird as a separate ADMD.
It's not just outsiders - sometimes the distinction matters to people
on the *inside*. For example, understanding that Songbird is one ADMD
and the sender is another ADMD makes it easier to understand how and why
I see that songbird.com has an SPF record authorizing one server at
220.127.116.11, not the one that sent your message!!
Exactly. And in fact, you then go on to say it yourself:
Songbird is your agent, and
you have a choice of many such agents who don't have a problem publishing a
correct list of their authorized transmitters.
Therefor, Songbird as an agent is an ADMD distinct from Dave Crocker's ADMD,
since there is *no* way for Dave's ADMD to have a choice of many such values of
Remember - Dave is *also* "outside" the Songbird ADMD, even if he's on
"the other side" of it from you.
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