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Discussion :: Computer Fundamental Miscellaneous

  1. Which protocol provides e-mail facility among different hosts?

    2. A.

     FTP
    B.

     SMTP
    C.

     TELNET
    D.

     SNMP
    E.

     None of these

    View Answer

    Workspace

    View Answer

    Answer : Option B

    Explanation :

    SMTP (Simple Mail Transfer Protocol) is a TCP/IP protocol used in sending and receiving e-mail. However, since it is limited in its ability to queue messages at the receiving end, it is usually used with one of two other protocols, POP3 or IMAP that let the user save messages in a server mailbox and download them periodically from the server. SMTP usually is implemented to operate over Internet port 25.
    Many mail servers now support Extended Simple Mail Transfer Protocol (ESMTP), which allows multimedia files to be delivered as e-mail.

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