Dave, I believe if only one canonicalization tag is specified, the other defaults to "simple" So in this case, "relaxed" is the header canonicalization, and the body canonicalization would be "simple" which tolerates no modification.
Its a good thought though. If this turns out to be a whitespace issue, ESPs could alleviate some of the pain by specifying c=relaxed/relaxed instead of c=relaxed. I will do some testing on monday and report back. Really appreciate all the insights from everyone. On Sun, Dec 11, 2016 at 9:53 AM, Dave Crocker <d...@dcrocker.net> wrote: > On 12/10/2016 8:08 AM, Al Iverson wrote: > >> Suggestion...modify the template to remove all the tabs or replace >> them with spaces, and try again. If it passes on both, then you've >> found that something in the delivery path is replacing tabs with >> spaces, invalidating the DKIM signature. >> > > > The original DKIM header field seems to show use of 'relaxed' which ought > to make sp/tab transformations transparent. > > "Convert all sequences of one or more WSP characters to a single SP > character." > > hmmm... > > d/ > > > -- > > Dave Crocker > Brandenburg InternetWorking > bbiw.net > > > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop > -- Luke Martinez Team Lead | Email Delivery 520.400.5693
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