Microsoft Exchange Online
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I'm unable to directly access or summarize web pages or provide real-time data, but I can give you a general overview based on what I know up to my last update in April 2023.
Microsoft Exchange Online, introduced in 2011 as part of Microsoft Office 365 (now called Microsoft 365), is a cloud-based version of Microsoft Exchange Server, which provides email, calendar, contacts, and tasks management services. Aimed at businesses of all sizes, Exchange Online offers the benefits of Exchange Server without the need for on-premises hardware, simplifying IT infrastructure and management while providing robust security features, compliance tools, and the flexibility of remote access. This service is designed to integrate seamlessly with other Microsoft products, enhancing productivity and collaboration.
- Snippet from Wikipedia: 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 Directory later. Until version 5.0, it came bundled with an email client called Microsoft Exchange Client. This was discontinued in favor of Microsoft Outlook.
Exchange Server primarily uses a proprietary protocol called MAPI to talk to email clients, but subsequently added support for POP3, IMAP, and EAS. The standard SMTP protocol is used to communicate to other Internet mail servers.
Exchange Server is licensed both as on-premises software and software as a service (SaaS). In the on-premises form, customers purchase client access licenses (CALs); as SaaS, Microsoft charges a monthly service fee instead.
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