On Mon, 24 Nov 2003, Dan Boresjo wrote:
For example the 'http' mechanism I have previously proposed to allow
webmasters to publish SPF data could be accessed via a 'gateway' in
the form of an SMTP-XQSA node that does such a lookup and returns
advisory XQSA responses. In order to use it, an MTA would not need to
integrate any HTTP lookup mechanisms, nor even have any code to
support the specific mechanism. The administrator of an SMTP-XQSA
enabled MTA would simply add the gateway's hostname to its list of
trusted 'advisor' peers.
I don't think bringing another protocol in to the mix is going to help
things.
Mail already depends on SMTP and DNS (for the most part). We shouldn't
make running an HTTP server a requirement for running an SMTP server.
Like I said before, not everyone currently runs an HTTP server, and I
don't see anyone turning on up specifically to handle SPF.
Tim
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