Internet Message Format / Multipurpose Internet Mail Extensions are the data representation of an email: its explains how to encode metadata, like the recipient and the sender, but also the content of the email (HTML, plain text, attachments, etc).
| [822](https://www.rfc-editor.org/rfc/rfc822) | ARPA INTERNET TEXT MESSAGES | 🟢 OK | ... |
| [2822](https://datatracker.ietf.org/doc/html/rfc2822) | Internet Message Format (2001) | 🟢 OK | ... |
| [5322](https://www.rfc-editor.org/rfc/rfc5322.html) | **Internet Message Format (2008)** | 🟢 OK | ... |
| [2045](https://datatracker.ietf.org/doc/html/rfc2045) | ↳ Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies | 🟢 OK | ... |
| [2046](https://datatracker.ietf.org/doc/html/rfc2046) | ↳ Multipurpose Internet Mail Extensions (MIME) Part Two: Media Types | 🟢 OK | ... |
| [2047](https://datatracker.ietf.org/doc/html/rfc2047) | ↳ MIME (Multipurpose Internet Mail Extensions) Part Three: Message Header Extensions for Non-ASCII Text | 🟢 OK | ... |
| [2048](https://datatracker.ietf.org/doc/html/rfc2048) | ↳ Multipurpose Internet Mail Extensions (MIME) Part Four: Registration Procedures | 🟢 OK | ... |
| [2049](https://datatracker.ietf.org/doc/html/rfc2049) | ↳ Multipurpose Internet Mail Extensions (MIME) Part Five: Conformance Criteria and Examples | 🟢 OK | ... |
| [4731](https://www.rfc-editor.org/rfc/rfc4731.html) | ↳ IMAP4 Extension to SEARCH Command for Controlling What Kind of Information Is Returned | 🔴 FAIL | ... |
| [4551](https://www.rfc-editor.org/rfc/rfc4551.html) | ↳ IMAP Extension for Conditional STORE Operation or Quick Flag Changes Resynchronization | 🟢 OK | ... |
LMTP is a protocol used by a Mail Transfer Agent (MTA, like Postfix) to deliver a mail to a local mailbox handled by a Mail Delivery Agent (MDA, like Dovecot or Aerogramme).
*Based on [Ekleog/kannader](https://github.com/Ekleog/kannader).*
| RFC | Title | Status | Notes |
|-----|-------|--------|-------|
| [2033](https://www.rfc-editor.org/rfc/rfc2033) | Local Mail Transfer Protocol | 🟢 OK | ... |
## CalDAV
CalDAV is a protocol to remotely access a calendar and notes.
| RFC | Title | Status | Notes |
|-----|-------|--------|-------|
| [RFC2445](https://www.rfc-editor.org/rfc/rfc2445.html) | Internet Calendaring and Scheduling Core Object Specification (iCalendar) | 🔴 FAIL | ... |