Editing MAPI (section)

==MAPI over HTTP==
The original implementation was designed for use on a local network, or [[LAN]].

With Exchange 2003 and Outlook 2010, Microsoft introduced RPC over HTTP (later renamed Outlook Anywhere) as a way to Exchange over the internet.<ref>{{cite web|date=2014-12-22|title=Exchange Server 2003 RPC over HTTP Deployment Scenarios|url=http://technet.microsoft.com/en-us/library/aa998950(EXCHG.65).aspx|url-status=dead|access-date=2014-12-22|archive-url=https://web.archive.org/web/20141222104318/http://technet.microsoft.com/en-us/library/aa998950(EXCHG.65).aspx|archive-date=2014-12-22}}</ref>

In 2014, Exchange 2013 SP1 introduced another variant, this time with a more "normal" HTTP-based stack known as "MAPI over HTTP".<ref>{{cite web|title=Outlook Connectivity with MAPI over HTTP|url=https://blogs.technet.microsoft.com/exchange/2014/05/09/outlook-connectivity-with-mapi-over-http/|url-status=dead|access-date=20 April 2019|website=You Had Me At EHLO…|publisher=Microsoft|archive-url=https://web.archive.org/web/20190420173148/https://blogs.technet.microsoft.com/exchange/2014/05/09/outlook-connectivity-with-mapi-over-http/|archive-date=2019-04-20}}</ref>