When developing Microsoft Outlook and Exchange, Microsoft decided to use some of the MAPI features and abandoned others. As a result, you do not get some events or event details when the user deletes the last item in a Microsoft Outlook folder, changes the item in an Microsoft Outlook Explorer window, deletes more than 16 items at once, and so ...
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Apr 30, 2001 · Outlook express is part exchange is it not? Mapi is the API, not the libraries that will probably be used, so simple mapi probably isn't an issue. Express installs CDO 1 (formerly ole messaging) or higher. CDO1 is upwardly compatible. If you develop your app with it you should be okay with exchange. I believe
May 22, 2018 · Although Eudora became unsupported as of 2006, some of us are in denial and still use it as our primary email client. I have over 350,000 archived messages in the Windows Eudora format going back to 1997, along with 28,000 embedded images and 33,000 saved attachments. I run it with only minor problems under Windows 10.
Jul 03, 2017 · Exchange mailboxes use extended MAPI to communicate with the Exchange Server. The extended MAPI uses Microsoft RPC over HTTP (remote procedure call over HTTP) protocol. Many clients (such as mobile devices) are dropping connections to the Exchange Server. In this scenario, the CPU usage on the Exchange server may reach 100 percent.\
Sep 01, 2016 · However, some deeper inspection showed that Microsoft introduced MAPI over HTTP (MAPI/HTTP) in Exchange 2013 SP1, “… is the long term replacement for RPC over HTTP connectivity (commonly referred to as Outlook Anywhere). MAPI/HTTP removes the complexity of Outlook Anywhere’s dependency on the legacy RPC technology…”.
For example, in MS Exchange Online, you could disable POP3 or IMAP for the user. The problem with this is that you don't want to block protocols that can do legacy and modern authentication (i.e EWS, MAPI) as you most likely still need them.