MAILMAINT-01, pivot to amending RFC 8058

Incorporating feedback from John and elevating him to co-author, propose simply amending 8058.

First MAILMAINT Release

Reflect adoption by MAILMAINT

v06

Small typo fix.

v05

• Correct metadata (mark as IETF/ART/Standards Track) in advance of IETF 119
• More clearly allow senders to vend a GET page with form
• Correct layout & formatting issues and incorrect RFC citation
• Correct RFC references as normative vs informative
• Fix ABNF syntax to allow for two comma separate URIs

v04

Add BNF for header URI.

v03

Remove corporate affiliation per internal request

v02

• Rewrote introduction & proposal for clarity on the problem statement
• Respond to IETF ART group concerns about security issues, using some language from RFC 8058 and examples of opaque identifiers in the URI
• Add mailto: URI option to mirror RFC 2369
• Add expectations around HTTP codes

v01 - Incorporate Feedback

• Remove DKIM domain inclusion requirement
• Incorporate feedback & more precise language
• Improve code block formatting
• Add acknowledgements

First draft of Wrong Recipient RFC

Initial draft, will be looking for feedback!