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X.400

OSI standard for email

X.400 is a suite of ITU-T recommendations that define the ITU-T Message Handling System (MHS). At one time, the designers of X.400 expected it to be the predominant form of email, but this role has been taken by SMTP-based Internet e-mail.

Nº Q300851 ★

Common · Literature

X.400

OSI standard for email

X.400 is a suite of ITU-T recommendations that define the ITU-T Message Handling System (MHS). At one time, the designers of X.400 expected it to be the predominant form of email, but this role has been taken by SMTP-based Internet e-mail.

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From Wikipedia

X.400 is a suite of ITU-T recommendations that define the ITU-T Message Handling System (MHS). At one time, the designers of X.400 expected it to be the predominant form of email, but this role has been taken by SMTP-based Internet e-mail. Despite this, it has been widely used within organizations and was a core part of Microsoft Exchange Server until 2006; variants continue to be important in military and aviation contexts.

Text: Wikipédia, CC BY-SA 4.0. ·

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