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The first breach of a Microsoft Exchange Server instance was observed by cybersecurity company Volexity on 6 January 2021. [1] By the end of January, Volexity had observed a breach allowing attackers to spy on two of their customers, and alerted Microsoft to the vulnerability. After Microsoft was alerted of the breach, Volexity noted the ...
Exchange Web Services (EWS), an alternative to the MAPI protocol, is a documented SOAP -based protocol introduced with Exchange Server 2007. Exchange Web Services is used by the latest version of Microsoft Entourage for Mac and Microsoft Outlook for Mac - since the release of Mac OS X Snow Leopard Mac computers running OS X include some support ...
History of Microsoft Exchange Server. 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 ...
Sender Policy Framework ( SPF) is an email authentication method which ensures the sending mail server is authorized to originate mail from the email sender's domain. [1] [2] This authentication only applies to the email sender listed in the "envelope from" field during the initial SMTP connection. If the email is bounced, a message is sent to ...
Dynamic Data Exchange. In computing, Dynamic Data Exchange ( DDE) is a technology for interprocess communication used in early versions of Microsoft Windows and OS/2. DDE allows programs to manipulate objects provided by other programs, and respond to user actions affecting those objects. DDE was partially superseded by Object Linking and ...
S/MIME. S/MIME ( Secure/Multipurpose Internet Mail Extensions) is a standard for public-key encryption and signing of MIME data. S/MIME is on an IETF standards track and defined in a number of documents, most importantly RFC 8551. It was originally developed by RSA Data Security, and the original specification used the IETF MIME specification ...
Extensible Storage Engine ( ESE ), also known as JET Blue, is an ISAM (indexed sequential access method) data storage technology from Microsoft. ESE is the core of Microsoft Exchange Server, Active Directory, and Windows Search. It is also used by a number of Windows components including Windows Update client and Help and Support Center.
A bounce message or just "bounce" is an automated message from an email system, informing the sender of a previous message that the message has not been delivered (or some other delivery problem occurred). The original message is said to have "bounced". This feedback may be immediate (some of the causes described here) or, if the sending system ...