Apple Fixing iOS 11 “Cannot Send Mail” Error with Outlook, Exchange, Office 365 Users

Some users are suffering from an email bug with Outlook.com, Exchange Mail and Office 365 accounts in iOS 11, resulting in an error message that reads “Cannot Send Mail. The message was rejected by the server.” Apple and Microsoft are aware of this iOS 11 email error and help is on the way:

If your email account is hosted by Microsoft on Outlook.com or Office 365, or an Exchange Server 2016 running on Windows Server 2016, you might see this error message when you try to send an email with iOS 11: “Cannot Send Mail. The message was rejected by the server.”

Outlook email

Apple has acknowledged the iOS 11 email issue, noting they are “working closely with Microsoft to resolve the issue and will release a fix soon in an upcoming software update.”

Anyone dealing with this bug right now?

Want to see more of our stories on Google?

Add iPhone in Canada as a Preferred Source on Google

P.S. Want to keep this site truly independent? Support us by buying us a beer, treating us to a coffee, or shopping through Amazon here. Links in this post are affiliate links, so we earn a tiny commission at no charge to you. Thanks for supporting independent Canadian media!

Subscribe
Notify of
guest
3 Comments
Oldest
Newest Most Voted
Bill___A
Bill___A
8 years ago

I have several Office 365 accounts and fortunately am not experiencing this on any of the devices I have on iOS 11.

Alan Yau
Alan Yau
8 years ago

I use the Outlook app and have had no issues. I wonder if this issue is only with the stock Mail app? I stopped using it a couple of years ago.

Eric Stewart
Eric Stewart
Reply to  Alan Yau
8 years ago

Native iOS email app.

3
0
Would love your thoughts, please comment.x
()
x