On Mon, Sep 27, 2010 at 1:05 PM, Michael Thomas <[email protected]> wrote: > On 09/27/2010 10:58 AM, Michael Thomas wrote: >> On 09/27/2010 10:38 AM, John R. Levine wrote: >>>> Ignorance is bliss, I guess, especially when it comes to pontificates. >>>> That's what every implementation of DKIM for MTA's, both open source and >>>> commercial that I'm aware of does, though some do and don't do the ADSP >>>> lookup. News at 11: email is still delivered, with little to no >>>> observable >>>> impact. >>> >>> It is not my impression that they all do the full DKIM validation while >>> the SMTP session is open. Mine doesn't. >>> >> >> You would be completely wrong in your impression. >> >> Source is your friend. > > Oh, I see John weaseled from "nobody does that" to the unprovable > "not everybody does that". In any case, John is completely wrong > with his assertion that doing DKIM/ADSP validation at SMTP time > is somehow even vaguely untenable. It isn't. It's common as dirt.
It's hard to imagine a large, DKIM-checking mail provider, like, say, Yahoo, doing that mid-transaction. Do you have any data/insight on how to quantify "common as dirt"? I'm doubtful of your claim without it. Cheers, Al Iverson _______________________________________________ NOTE WELL: This list operates according to http://mipassoc.org/dkim/ietf-list-rules.html
