Keyword Analysis & Research: email rfc specification


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Frequently Asked Questions

What is the RFC 2822 specification of an email address?

Section section 3.4.1of RFC 2822goes into more detail about the specification of an email address (emphasis mine). An addr-spec is a specific Internet identifier that contains a locally interpreted string followed by the at-sign character (“@”, ASCII value 64) followed by an Internet domain.

What is acceptable email address syntax according to RFC 1?

Acceptable email address syntax according to RFC 1 Email syntax basics. The syntax for an email address is familiar to most Internet users. ... 2 Local part 3 Domain part. The domain part cannot be more than 255 characters in length and must conform to the specification for hostnames which is a list of dot-separated DNS labels.

What is an RFC (Request for comments)?

There specifications are called Requests For Comments (RFC). They are published by the Internet Engineering Task Force (IETF) and the Internet Society (ISOC), the principal technical development and standards-setting bodies for the Internet.

What is the format of an email address?

The format of email addresses is [email protected] where the local part may be up to 64 characters long and the domain may have a maximum of 255 characters. The formal definitions are in RFC 5322 (sections 3.2.3 and 3.4.1) and RFC 5321—with a more readable form given in the informational RFC 3696 and the associated errata.

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