Hello,
Section 3.5 (The DKIM-Signature header field) of
draft-ietf-dkim-base-07b mentions that the "v" tag must be
included. The informational example of a signature header is given as:
DKIM-Signature: a=rsa-sha256; d=example.net; s=brisbane;
c=simple; q=dns/txt; i=(_at_)eng(_dot_)example(_dot_)net;
t=1117574938; x=1118006938;
h=from:to:subject:date;
z=From:foo(_at_)eng(_dot_)example(_dot_)net|To:joe(_at_)example(_dot_)com|
Subject:demo=20run|Date:July=205,=202005=203:44:08=20PM=20-0700;
bh=MTIzNDU2Nzg5MDEyMzQ1Njc4OTAxMjM0NTY3ODkwMTI=;
b=dzdVyOfAKCdLXdJOc9G2q8LoXSlEniSbav+yuU4zGeeruD00lszZ
VoG4ZHRNiYzR
Shouldn't that be:
DKIM-Signature: a=rsa-sha256; d=example.net; s=brisbane;
v=0.5; c=simple; q=dns/txt; i=(_at_)eng(_dot_)example(_dot_)net;
t=1117574938; x=1118006938;
h=from:to:subject:date;
z=From:foo(_at_)eng(_dot_)example(_dot_)net|To:joe(_at_)example(_dot_)com|
Subject:demo=20run|Date:July=205,=202005=203:44:08=20PM=20-0700;
bh=MTIzNDU2Nzg5MDEyMzQ1Njc4OTAxMjM0NTY3ODkwMTI=;
b=dzdVyOfAKCdLXdJOc9G2q8LoXSlEniSbav+yuU4zGeeruD00lszZ
VoG4ZHRNiYzR
Regards,
-sm
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