> "Note: ADSP is incompatible with valid DKIM usage in which a signer > uses "i=" with values that are not the same as addresses in mail > headers. In that case, a possible workaround could be to add a > second DKIM signature a "d=" value that matches the Author > Address, but no "i="." > >With the change, we may need to sign the message more than once in >some circumstances if we are using the i= tag. That's an extra >overhead both for signers and verifiers.
Actually, you may have to sign twice if you want to use ADSP and you happen to use i= values that don't match the From: address, regardless of the semantics of your i=. Even if you intend the i= to be e-mail addresses, they still don't have to match the From: address. That's why I added the note you quoted. Nothing in the proposed errata changes that. R's, John _______________________________________________ NOTE WELL: This list operates according to http://mipassoc.org/dkim/ietf-list-rules.html
