email - DKIM verification and canonicalization of leading double dots -

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just wondering how can verify dkim signature? using popular service gmail, yahoo mail or hotmail (if supports dkim)?

also, when transfer email quoted printable in smtp, leading dot converted two, considered 1 or 2 dots when calculate body hash? 1 specification, in [rfc 4871], page 25, stated, dot-stuffing should consider 1 dot.

many thanks.

maybe help? http://www.mydigitallife.info/2007/08/08/how-to-check-test-and-validate-spf-record-in-dns-is-correct-and-valid/


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