Nits: In 4.5: for consistency, please use the same a-label language for d= and i= tags. The same language needs to go in s= since selectors are domain names, too. Suggested language all three places:
Internationalized domain names MUST be encoded as A-Labels, as described in Section 2.3 of [RFC5890]. Other than that, it looks great. R's, John _______________________________________________ NOTE WELL: This list operates according to http://mipassoc.org/dkim/ietf-list-rules.html
