Datatypes

In-Reply-To (Email Header)

ID in_reply_to

DatatypeNot PIIidentifier

Value of the In-Reply-To header of an email message (RFC 5322, section 3.6.4): the Message-ID of the message that this one answers, or several of them when it answers more than one. Each identifier is enclosed in angle brackets. Mail clients use it together with the References header to build conversation threads.

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)
Supported by tools
metacrafter

Regular expression

^<[^<>@\s]+@[^<>@\s]+>(?:\s+<[^<>@\s]+@[^<>@\s]+>)*$

Python re syntax.

Examples

ValueDescription
<1234@local.machine.example>Reply example of RFC 5322, appendix A.2
<3456@example.net>Reply to the reply in RFC 5322, appendix A.2
1234@local.machine.example invalidNo angle brackets

Translations

LanguageNameDescription
RussianЗаголовок письма In-Reply-ToЗначение заголовка In-Reply-To: Message-ID письма, на которое дан ответ (RFC 5322).

Sources

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