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  2. International email - Wikipedia

    en.wikipedia.org/wiki/International_email

    International email arises from the combined provision of internationalized domain names (IDN) [1] and email address internationalization (EAI). [2] The result is email that contains international characters (characters which do not exist in the ASCII character set), encoded as UTF-8 , in the email header and in supporting mail transfer protocols.

  3. Email address - Wikipedia

    en.wikipedia.org/wiki/Email_address

    The format of an email address is local-part@domain, where the local-part may be up to 64 octets long and the domain may have a maximum of 255 octets. [5] 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 (written by J. Klensin, the author of RFC 5321 [6]) and the associated errata.

  4. Âu Lạc - Wikipedia

    en.wikipedia.org/wiki/Âu_Lạc

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Help; Learn to edit; Community portal; Recent changes; Upload file

  5. Make writing an email fun and personal with an updated emoji picker, a myriad of gifs, new stationery options and more. Automated tools. Keep your inbox clutter-free with automated tools. See all ...

  6. National identification number - Wikipedia

    en.wikipedia.org/wiki/National_identification_number

    In Somalia, the National Identification and Registration Authority was established in March 2023. Its mandate includes developing a National Identification Number, designed to streamline administrative processes, enhance security, and mitigate fraud and corruption by verifying identities in both digital and in-person transactions.

  7. Message-ID - Wikipedia

    en.wikipedia.org/wiki/Message-ID

    Message-ID is a unique identifier for a digital message, most commonly a globally unique identifier used in email and Usenet newsgroups. [1] Message-IDs are required to have a specific format which is a subset of an email address [2] and be globally unique. No two different messages must ever have the same Message-ID.

  8. Sender ID - Wikipedia

    en.wikipedia.org/wiki/Sender_ID

    Sender ID is an historic [1] anti-spoofing proposal from the former MARID IETF working group that tried to join Sender Policy Framework (SPF) and Caller ID. Sender ID is defined primarily in Experimental RFC 4406, [ 2 ] but there are additional parts in RFC 4405, [ 3 ] RFC 4407 [ 4 ] and RFC 4408.

  9. Gmail - Wikipedia

    en.wikipedia.org/wiki/Gmail

    Gmail is the email service provided by Google.As of 2019, it had 1.5 billion active users worldwide, making it the largest email service in the world. [1] It also provides a webmail interface, accessible through a web browser, and is also accessible through the official mobile application.