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Wednesday, March 12, 2008

Gaps found in Microsoft Exchange API documentation

Slashdot It! Software companies that provide alternatives to Microsoft Exchange, cautiously welcomed at CeBIT last week the recent publication of application programming interfaces for Microsoft volume server products, but have found gaps already in what has been released. Zarafa Chief Executive Brian Joseph--having ported, as he put it, "all the Exchange features to the Linux platform with full MAPI (messaging application programming interface) implementation"-- said there are significant gaps in the Microsoft documentation released to date. Zarafa makes an e-mail server that is compatible with Outlook Speaking to ZDNet UK at the CeBIT conference, Joseph said Microsoft's start is not promising: "This could definitely make life easier for developers, but we have spotted over 200 undocumented exceptions, including one that allows you to create recurring calendar appointments in Exchange. It was in the documentation for Exchange 2000, but they forgot to document it for Exchange 2003 and Exchange 2007." Zarafa produces the eponymous e-mail server that runs on Linux and is used by enterprises such as car-rental company Sixt, which recently migrated its entire e-mail server infrastructure to Zarafa. Zarafa uses the MAPI open standard to communicate to e-mail clients such as Outlook. While Microsoft Exchange uses MAPI too, it also uses a large number of proprietary APIs that let the Outlook client perform actions such as creating recurring calendar appointments on the Exchange server. "I am very positive about unconditional publication of APIs," said Joseph, "but only time will tell if this is justified, given Microsoft's history. I think hundreds of thousands of developers around the world are very interested in full publication with regular updates, but the devil is in the detail; for policy makers, these gaps in the Exchange documentation should put another light on the value of Microsoft's announcement." Via Cnet Get Daily Updates via Email Protect your computer with Windows Onecare Get paid $7.50 for reviewing my post Ad Space

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