Multiple things might cause Comcast Email difficulties, ranging from server-related issues to incompatibilities between any third-party software and your Xfinity Email account. You may, however, use some easy troubleshooting techniques to overcome these difficulties and guarantee that you continue to have access to all of your emails. Here's a rundown of some of the most common reasons your comcast email not working on mac: The Comcast email server is currently unavailable. Unreliable internet access Comcast Email is not working on Outlook due to wrong settings while using an older web browser. Any third-party programme that interferes with Comcast Email A hacked or compromised Xfinity Email account