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<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Messaging Application Programming Interface</span></h1>
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<div id="mw-content-text" class="mw-body-content mw-content-ltr" lang="de" dir="ltr"><div class="mw-content-ltr mw-parser-output" lang="de" dir="ltr"><p><b>Messaging Application Programming Interface</b> (<b>MAPI</b>, dt.: <i>Schnittstelle für die Programmierung von nachrichtenverarbeitenden Programmen</i>) ist eine von <a href="Microsoft" title="Microsoft">Microsoft</a> entwickelte <a href="Windows" class="mw-redirect" title="Windows">Windows</a>-<a href="Programmierschnittstelle" title="Programmierschnittstelle">Programmierschnittstelle</a>. MAPI ist die zentrale Schnittstelle von <a href="Microsoft_Outlook" title="Microsoft Outlook">Microsoft Outlook</a> und <a href="Microsoft_Exchange_Server" title="Microsoft Exchange Server">Microsoft Exchange Server</a> und ermöglicht anderen Programmen den Zugriff auf <a href="E-Mail" title="E-Mail">E-Mail</a>-Funktionen.
</p><p>Zum Beispiel ist es mittels MAPI möglich, E-Mails über Outlook zu verschicken, ohne dass der Benutzer Outlook öffnet.
</p><p>MAPI basiert auf dem <a href="Component_Object_Model" title="Component Object Model">Component Object Model</a>.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>
</p><p>MAPI existiert in den Versionen <i>Simple MAPI</i> und <i>Extended MAPI</i> (MAPI 1.0).<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> Von einer Reihe anderer Hersteller wurde der Standard <i><a href="Vendor_Independent_Messaging" title="Vendor Independent Messaging">Vendor Independent Messaging</a></i> (VIM) vorgeschlagen, der sich gegen MAPI jedoch nicht durchsetzen konnte.
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<div class="mw-heading mw-heading2"><h2 id="Freie_Open-Source-Implementierungen_von_MAPI">Freie Open-Source-Implementierungen von MAPI</h2></div>
<p>Einige <a href="Freie_Software" title="Freie Software">freie</a> <a href="Open_Source" title="Open Source">Open-Source</a>-Projekte bieten eine Unterstützung der MAPI-Schnittstelle. Beispielsweise gibt es das <a href="OpenMAPI" title="OpenMAPI">OpenMAPI</a>-Projekt,<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> das <a href="Zarafa_(Software)" title="Zarafa (Software)">Zarafa</a> MAPI4Linux (auch ein Teil von OpenMAPI) und die MAPI-<a href="Programmbibliothek" title="Programmbibliothek">Bibliothek</a> libmapi als Teilprojekt von OpenChange.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> Diese Bibliothek wird auch in dem OpenChange Teilprojekt Evolution-MAPI verwendet.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> Evolution-MAPI stellt eine Verbindung von <a href="Evolution_(Software)" title="Evolution (Software)">Evolution</a> mit Exchange Servern dar. Des Weiteren stellt das Projekt DavMail<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> einen dynamischen Übersetzer der MAPI-Schnittstelle auf die Protokolle <a href="Internet_Message_Access_Protocol" title="Internet Message Access Protocol">IMAP</a> und <a href="Post_Office_Protocol" title="Post Office Protocol">POP</a> zur Verfügung, der die Anbindung von standardkompatiblen <a href="E-Mail-Programm" title="E-Mail-Programm">E-Mail-Programmen</a>, wie z. B. <a href="Mozilla_Thunderbird" title="Mozilla Thunderbird">Mozilla Thunderbird</a> an einen Exchange-Server ermöglicht.
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<div class="mw-heading mw-heading2"><h2 id="Weblinks">Weblinks</h2></div>
<ul><li><a rel="nofollow" class="external text" href="https://learn.microsoft.com/en-us/office/client-developer/outlook/mapi/outlook-mapi-reference">Microsoft-MAPI-Dokumentation</a> (englisch)</li>
<li><a rel="nofollow" class="external text" href="https://www.msxfaq.de/exchange/clients/profile.htm">Ausführungen zu MAPI-Profilen mit weiterführenden Links</a></li></ul>
<div class="mw-heading mw-heading2"><h2 id="Einzelnachweise">Einzelnachweise</h2></div>
<ol class="references">
<li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><span class="cite"><a rel="nofollow" class="external text" href="https://learn.microsoft.com/en-us/office/client-developer/outlook/mapi/component-object-model-and-mapi"><i>Component Object Model and MAPI.</i></a> In: <i>learn.microsoft.com.</i> Microsoft, 1. Juni 2022,<span class="Abrufdatum"> abgerufen am 22. August 2025</span> (englisch).</span><span style="display: none;" class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2Fde.wikipedia.org%3AMessaging+Application+Programming+Interface&rft.title=Component+Object+Model+and+MAPI&rft.description=Component+Object+Model+and+MAPI&rft.identifier=https%3A%2F%2Flearn.microsoft.com%2Fen-us%2Foffice%2Fclient-developer%2Foutlook%2Fmapi%2Fcomponent-object-model-and-mapi&rft.publisher=Microsoft&rft.date=2022-06-01&rft.language=en"> </span></span>
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<li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text"><span class="cite"><a rel="nofollow" class="external text" href="https://learn.microsoft.com/en-us/previous-versions/windows/desktop/windowsmapi/simple-mapi"><i>Simple MAPI.</i></a> In: <i>learn.microsoft.com.</i> Microsoft, 31. Mai 2018,<span class="Abrufdatum"> abgerufen am 22. August 2025</span> (englisch).</span><span style="display: none;" class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2Fde.wikipedia.org%3AMessaging+Application+Programming+Interface&rft.title=Simple+MAPI&rft.description=Simple+MAPI&rft.identifier=https%3A%2F%2Flearn.microsoft.com%2Fen-us%2Fprevious-versions%2Fwindows%2Fdesktop%2Fwindowsmapi%2Fsimple-mapi&rft.publisher=Microsoft&rft.date=2018-05-31&rft.language=en"> </span></span>
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<li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text"><span class="cite"><a rel="nofollow" class="external text" href="https://learn.microsoft.com/en-us/office/client-developer/outlook/mapi/mapi-programming-overview"><i>MAPI Programming Overview.</i></a> In: <i>learn.microsoft.com.</i> Microsoft, 1. Juni 2022,<span class="Abrufdatum"> abgerufen am 22. August 2025</span> (englisch): „Extended MAPI is the same as MAPI, and is simply referred to as MAPI […]. Simple MAPI provides a set of functions that enables you to add a basic level of messaging functionality to Microsoft Windows-based applications.“</span><span style="display: none;" class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2Fde.wikipedia.org%3AMessaging+Application+Programming+Interface&rft.title=MAPI+Programming+Overview&rft.description=MAPI+Programming+Overview&rft.identifier=https%3A%2F%2Flearn.microsoft.com%2Fen-us%2Foffice%2Fclient-developer%2Foutlook%2Fmapi%2Fmapi-programming-overview&rft.publisher=Microsoft&rft.date=2022-06-01&rft.language=en"> </span></span>
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<li id="cite_note-4"><span class="mw-cite-backlink"><a href="#cite_ref-4">↑</a></span> <span class="reference-text"><span class="cite"><a rel="nofollow" class="external text" href="https://www.openmapi.org/"><i>OpenMapi.org.</i></a><span class="Abrufdatum"> Abgerufen am 1. August 2010</span> (englisch).</span><span style="display: none;" class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2Fde.wikipedia.org%3AMessaging+Application+Programming+Interface&rft.title=OpenMapi.org&rft.description=OpenMapi.org&rft.identifier=https%3A%2F%2Fwww.openmapi.org%2F&rft.language=en"> </span></span>
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<li id="cite_note-5"><span class="mw-cite-backlink"><a href="#cite_ref-5">↑</a></span> <span class="reference-text"><span class="cite"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20040928063012/http://www.openchange.org/"><i>OpenChange.</i></a> 20. September 2004, archiviert vom <style data-mw-deduplicate="TemplateStyles:r250917974">
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</style><span class="dewiki-iconexternal"><a class="external text" href="https://redirecter.toolforge.org/?url=http%3A%2F%2Fwww.openchange.org%2F">Original</a></span> am <span style="white-space:nowrap;">28. September 2004</span><span>;</span><span class="Abrufdatum"> abgerufen am 1. August 2010</span> (englisch).</span><span style="display: none;" class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2Fde.wikipedia.org%3AMessaging+Application+Programming+Interface&rft.title=OpenChange&rft.description=OpenChange&rft.identifier=https%3A%2F%2Fweb.archive.org%2Fweb%2F20040928063012%2Fhttp%3A%2F%2Fwww.openchange.org%2F&rft.date=2004-09-20&rft.source=http://www.openchange.org/&rft.language=en"> </span></span>
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<li id="cite_note-6"><span class="mw-cite-backlink"><a href="#cite_ref-6">↑</a></span> <span class="reference-text"><span class="cite"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20090303175421/http://www.openchange.org/index.php?option=com_content&task=view&id=65&Itemid=74"><i>Gnome Evolution Plugin.</i></a> In: <i>openchange.org.</i> Archiviert vom <span class="dewiki-iconexternal"><a class="external text" href="https://redirecter.toolforge.org/?url=http%3A%2F%2Fwww.openchange.org%2Findex.php%3Foption%3Dcom_content%26task%3Dview%26id%3D65%26Itemid%3D74">Original</a></span> am <span style="white-space:nowrap;">3. März 2009</span><span>;</span><span class="Abrufdatum"> abgerufen am 1. August 2010</span> (englisch).</span><span style="display: none;" class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2Fde.wikipedia.org%3AMessaging+Application+Programming+Interface&rft.title=Gnome+Evolution+Plugin&rft.description=Gnome+Evolution+Plugin&rft.identifier=https%3A%2F%2Fweb.archive.org%2Fweb%2F20090303175421%2Fhttp%3A%2F%2Fwww.openchange.org%2Findex.php%3Foption%3Dcom_content%26task%3Dview%26id%3D65%26Itemid%3D74&rft.source=http://www.openchange.org/index.php?option=com_content&task=view&id=65&Itemid=74&rft.language=en"> </span></span>
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<li id="cite_note-7"><span class="mw-cite-backlink"><a href="#cite_ref-7">↑</a></span> <span class="reference-text"><span class="cite"><a rel="nofollow" class="external text" href="https://davmail.sourceforge.net/"><i>DavMail POP/IMAP/SMTP/Caldav/Carddav/LDAP Exchange and Office 365 Gateway.</i></a> In: <i>davmail.sourceforge.net.</i><span class="Abrufdatum"> Abgerufen am 1. August 2010</span> (englisch).</span><span style="display: none;" class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2Fde.wikipedia.org%3AMessaging+Application+Programming+Interface&rft.title=DavMail+POP%2FIMAP%2FSMTP%2FCaldav%2FCarddav%2FLDAP+Exchange+and+Office+365+Gateway&rft.description=DavMail+POP%2FIMAP%2FSMTP%2FCaldav%2FCarddav%2FLDAP+Exchange+and+Office+365+Gateway&rft.identifier=https%3A%2F%2Fdavmail.sourceforge.net%2F&rft.language=en"> </span></span>
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