Have you been receiving the below message on your Apple device when trying to send emails?
“Cannot Send Mail. The message was rejected by the server.”
If so, you may be experiencing the effects of a recent iOS update that has compatibility issues with Office 365 and Exchange 2016. Please read on to learn more about this issue and a temporary workaround for your Apple devices.
What Can I Do If I’ve Already Updated?
To work around this issue, download the free Outlook for iOS client from the App Store. The Outlook for iOS client fully supports various email services, including Outlook.com, Office 365, and Exchange Server 2016.
If you need assistance in setting up your email in the Outlook application, please don’t hesitate to reach out to our technical staff. As always, we welcome any questions or concerns you may have on the issue.