…ger in current use). No new tags are defined in this specification compared to [RFC4871], but one has been designated as "historic". Also, the "Email Authentication Methods" registry is revised to refer to this update. 7.1. Email Authentication Methods Registry The "Email Authent…

…er in current use). No new tags are defined in this specification compared to [ RFC4871 ], but one has been designated as "historic". Also, the "Email Authentication Methods" registry is revised to refer to this update. 7.1 . Email Authentication Methods Registry The "Email Authe…

…RFC5234 section 2.3 says string literals in ABNF are case-insensitive. However, RFC4871 section 3.2 says tag values are case-sensitive unless stated otherwise. This renders the defintion of "v=" in section 3.6.1 of this RFC ambiguous. Therefore, one interpretation of "DKIM1" here…

…RFC5234 section 2.3 says string literals in ABNF are case-insensitive. However, RFC4871 section 3.2 says tag values are case-sensitive unless stated otherwise. This renders the defintion of "v=" in section 3.6.1 of this RFC ambiguous. Therefore, one interpretation of "DKIM1" here…