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  2. History of Microsoft Exchange Server - Wikipedia

    en.wikipedia.org/wiki/History_of_Microsoft...

    The first release of Microsoft Exchange Server was version 4.0 in April 1996, when it was sold as an upgrade to Microsoft Mail 3.5. Before that, Microsoft Mail v2.0 (written by Microsoft) was replaced in 1991 by "Microsoft Mail for PC Networks v2.1", [1] based on Network Courier from its acquisition of Consumers Software. [2]

  3. Microsoft Exchange Server - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Exchange_Server

    Microsoft Exchange Server is a mail server and calendaring server developed by Microsoft. It runs exclusively on Windows Server operating systems. The first version was called Exchange Server 4.0, to position it as the successor to the related Microsoft Mail 3.5. Exchange initially used the X.400 directory service but switched to Active ...

  4. IRCX - Wikipedia

    en.wikipedia.org/wiki/IRCX

    IRCX was originally supported on Microsoft Exchange Server 5.5 (in place of the old Microsoft Chat protocol, which is a binary protocol) and a module was available for Microsoft Exchange 2000. Microsoft started to put IRCX through a standardisation process with the Internet Engineering Task Force by publishing 4 Internet Drafts of their protocol.

  5. List of SMTP server return codes - Wikipedia

    en.wikipedia.org/wiki/List_of_SMTP_server_return...

    X.3.XXX Mail System Status. X.4.XXX Network and Routing Status. X.5.XXX Mail Delivery Protocol Status. X.6.XXX Message Content or Media Status. X.7.XXX Security or Policy Status. The meaning of the "detail" field depends on the class and the subject, and are listed in RFC 3463 and RFC 5248. A server capable of replying with an Enhanced Status ...

  6. 2021 Microsoft Exchange Server data breach - Wikipedia

    en.wikipedia.org/wiki/2021_Microsoft_Exchange...

    A global wave of cyberattacks and data breaches began in January 2021 after four zero-day exploits were discovered in on-premises Microsoft Exchange Servers, giving attackers full access to user emails and passwords on affected servers, administrator privileges on the server, and access to connected devices on the same network.

  7. Windows Server Essentials - Wikipedia

    en.wikipedia.org/wiki/Windows_Server_Essentials

    Windows Server Essentials (formerly Small Business Server or SBS) [2] is an integrated server suite from Microsoft for businesses with no more than 25 users or 50 devices. It includes Windows Server, Exchange Server, Windows SharePoint Services, and Microsoft Outlook. Application server technologies are tightly integrated to provide and offer ...

  8. Hosted Exchange - Wikipedia

    en.wikipedia.org/wiki/Hosted_exchange

    Hosted Exchange is a service in the telecommunications industry whereby a provider makes a Microsoft email box and space available on a server so its clients can host their data on the server. The provider manages the hosted data of its clients on the server. Clients can access their emails, address book, task management, and documents from ...

  9. Exchange ActiveSync - Wikipedia

    en.wikipedia.org/wiki/Exchange_ActiveSync

    EAS 2.0 shipped in Exchange Server 2003. [5] This version of the protocol was developed by the Microsoft Windows Mobile team and was delivered as a binary drop (massync.dll) to the Exchange Server team. EAS used WebDAV to connect to a user's mailbox and added the ability to sync non-default calendar and contacts folders.