The IESG wrote: > 'Instant Message Disposition Notification ' > <draft-ietf-simple-imdn-06.txt> as a Proposed Standard | It is strongly RECOMMENDED that the IM Recipient obtain | the user's consent before sending an IMDN. Circumstances | where the IM Recipient does not ask for the user's consent | include IM systems that, for regulatory reasons, are | required to issue an IMDN, such as in the health care | field or financial community. IMO nothing less than a MUST is acceptable, no matter what RFC 3798 says. Assuming that anybody allows MDNs without explicit permission, I don't. | Electronic Mail [10] deals with this situation with Message | Delivery Notifications [11]. After the recipient views the | message, her mail user agent generates a Message Delivery | Notification, or MDN. Dubious. E-mail *offers* this (in RFC 3798), but MUAs doing it without explicit permission would be considered harmful. | unique with at least 32 bits of randomness If it's random it isn't necessarily unique, or I miss a clue. | Message-ID = "Message-ID" ": " Token What's a <Token> ? The 34jk324j example isn't supposed to be "worldwide unique forever" as in all "Message-ID" definitions since 1994, or is it ? Maybe the draft should say "Token" where it says "Message-ID", and of course define the <Token>. Giving up for now, Frank _______________________________________________ Ietf@xxxxxxxx https://www1.ietf.org/mailman/listinfo/ietf