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Neither IMAP nor POP3 anymore ?

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  • Neither IMAP nor POP3 anymore ?

    Hello,

    I am not sure if I got it right but I read that neither IMAP nor POP3 is being used for outlook clients, like a trend. Is that so?.

    Then, an outlook client, how would it connect to the exchange server?

    Thanks in advance.
    -
    Madrid (Spain).

  • #2
    Outlook uses RPC/HTTP or MAPI - IMAP and POP3 are very legacy and disabled by default now
    Tom Jones
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    Ossian Ltd
    Scotland

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    • #3
      IMAP/POP haven't been used to connect to any version of Exchange with Outlook - so that is pushing over 15 years. They are legacy protocols to connect to internet based servers. You don't get most of the Exchange functionality with them.

      As already pointed out, the main change is a move away from RPC over TCP and MAPI to RPC over HTTPS or MAPI over HTTPS (Exchange 2013 and later), with MAPI over HTTPS being the new default protocol in Exchange 2016.

      Simon.
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      Simon Butler
      Exchange MVP

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      • #4
        Thanks both.

        But when I connect to gmail, I do it through imap (TCP 443) or imaps (TCP 993) , if I recall rightly.

        Again: Many thanks.
        -
        Madrid (Spain).

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        • #5
          Originally posted by loureed4 View Post
          Thanks both.

          But when I connect to gmail, I do it through imap (TCP 443) or imaps (TCP 993) , if I recall rightly.

          Again: Many thanks.
          True, but gmail is a proprietry mail provider and doesn't use Exchange. I don't use gmail myself anymore, but you certainly used to be able to connect via Activesync on mobile devices.

          Outlook is the recommended client for Exchange, but can connect to various other servers as well, including gmail, which is why it has POP and IMAP support. Exchange does as well, but this should be avoided and as mentioned previously it is disabled by default. The last time I heard of anyone using IMAP with with Exchange it was for the first-gen iPhone, which didn't support Activesync.
          BSc, MCSA: Server 2008, MCSE, MCSA: Messaging, MCTS
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          Cruachan's Blog

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          • #6
            I see. Thanks a lot cruachan!
            -
            Madrid (Spain).

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