2017-09-20-13.01.07.pngEarly adopters of Apple iOS 11 are unable to send Microsoft-provided email using the native Mail app.

So I would hold off upgrade if this is important to you!

It affects Outlook.com, Office 365 and Exchange 2016 running on Windows Server 2016. Many businesses rely on Exchange and Office 365 for email.

Whoops.....Too late!
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Expert Comment

by:Kyle Santos
Seems like a huge oversight on Apple's part if this is true.  Unless this was intentional... heh
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Author Comment

by:Andrew Hancock (VMware vExpert / EE Fellow)
Confirmed, Exchange 2016 and IOS 11 - does not work!

see the statment here
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Expert Comment

by:Kyle Santos
Wow.  That's a huge oversight.
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Author Comment

by:Andrew Hancock (VMware vExpert / EE Fellow)
I'm sure will have 11.1 patch tomorrow!
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Expert Comment

by:Brian Matis
Gotta wonder how this ended up happening... iOS 11 was in beta for plenty of time...

Just did some quick checking and MacRumors is saying that there were bug reports on this during the beta:
https://www.macrumors.com/2017/09/20/apple-microsoft-email-server-issue-mail-app-ios-11/

Looks like Microsoft has some workarounds too. Either using Outlook for iOS client or disabling HTTP/2 in Windows Server 2016.
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Author Comment

by:Andrew Hancock (VMware vExpert / EE Fellow)
Windows Server 2016 has been a PITA as well as Exchange Server 2016!
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