Message-ID (Email Message Identifier)
ID message_id
DatatypeNot PIIidentifier
Globally unique identifier of an email message, which the sending client or server writes in the Message-ID header (RFC 5322, section 3.6.4). It has the form <left@right>: the right part is usually the domain name of the host that created it, and the left part is a unique string such as a timestamp with a random suffix. Replies refer to it in their In-Reply-To and References headers.
- Categories
- Internet
- Countries
- Global (not tied to a country)
- Languages
- Common to most languages
- Quality
- 90/100 · missing: mapping (Wikidata, Schema.org, ...)
- Metacrafter rules
- 2 rules (1 by field name, 1 by value)
messageidfieldfield, common/internet.yamlmessageidvaluedata, common/internet.yaml
- Supported by tools
- metacrafter
Regular expression
^<[^<>@\s]+@[^<>@\s]+>$Python re syntax.
Examples
| Value | Description |
|---|---|
| <1234@local.machine.example> | Example of RFC 5322, appendix A.1.1 |
| <5678.21-Nov-1997@example.com> | Example of RFC 5322, appendix A.1.2 |
| <testabcd.1234@silly.example> | Example of RFC 5322, appendix A.1.3 |
| 1234@local.machine.example invalid | No angle brackets |
| <1234@local.machine.example> <3456@example.net> invalid | Two identifiers, as in a References header |
Translations
| Language | Name | Description |
|---|---|---|
| Russian | Идентификатор письма (Message-ID) | Уникальный идентификатор письма из заголовка Message-ID в форме <левая_часть@правая_часть> (RFC 5322). |
Sources
- wikipedia: https://en.wikipedia.org/wiki/Message-ID
- doc: https://www.rfc-editor.org/rfc/rfc5322.html#section-3.6.4
Use this record
- Page URL:
http://registry.apicrafter.io/datatype/message_id - JSON: API v1 · legacy shape (used by metacrafter) · Markdown (for LLMs)
- Improve it: edit
data/datatypes/any/internet/message_id.yamlon GitHub