There is always a solution to any problem you are facing, just take a few simple steps and you will be good to go. If you are worried about Comcast Xfinity email not working, then follow some simple steps to get it back online. First of all, check out the internet connection you are working on and that might solve your problem. If not then there might be server issues with the Comcast email and you will have to check whether there is any service outage in your area. If so wait for the servers to come back online.