The formal specification is quite clear on both of your questions:

  Section 6.4:

  dmarc-version   = "v" *WSP "=" *WSP %x44 %x4d %x41 %x52 %x43 %x31


which means that the white space is required to be allowed and the value in this tag-value is case sensitive.

Thanks, but the white space in question is before the "v".

Regards,
John Levine, [email protected], Taughannock Networks, Trumansburg NY
Please consider the environment before reading this e-mail. https://jl.ly

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