Re: lists and DMARC and ARC, was Incoming SMTP in the year 2017 and absence of DKIM

On 11/29/2017 03:24 PM, Michael Thomas wrote:

Message footers and subject lines can be dealt with. That's already been proven within the current DKIM spec.

Please humor my ignorance and explain how a subject line (which is (over)signed) can be dealt with in the current DKIM spec? I get how footers can be dealt with, read appended. At least as long as DKIM only signs a given amount of the (original) body. (Though HTML (read: MIME structures) can complicate this.) - Or are you referring to something else? -- Grant. . . . unix || die