As a result, email accounts hosted by Microsoft on, Office 365, or Exchange Server 2016 running on Windows Server 2016 were no longer compatible with Apple’s Mail app in iOS 11. It turned out that the iOS 11 update had brought conflict between the stock Mail app and the Microsoft email servers. This was in response to the prevalent complaints raised by iPhone users who were prompted with an error message that says, Cannot Send Mail. In the previous months since the iOS 11 rollout, Apple and Microsoft had collaborated in working on a fix for the stock Mail app conflict with Microsoft Exchange and servers. What causes email problems to occur on your iPhone 6s Plus? If we did, try to use the solutions we suggested and if they won’t work, then you may contact us by filling up this form.
We list down every problem we address each week in that page so try to see if we’ve already addressed your concern before. But before anything else, if you have a different issue with your device, visit the troubleshooting page we’ve setup for the iPhone 6s Plus.
