accessing my comcast email account

Good morning ecsavant! Thanks so much for reaching out to us here on our Xfinity Forums. I'm sorry to read that you have not been able to access your email on the ipad, iphone and outlook. But I'm happy to hear it's working at xfinity.com. That lets me know that there's an issue with the email clients and possibly the settings causing the access to the server to fail. I know out email is a crucial resource for communication, so this can put a huge damper on things when you can't access from all devices. Are you using outlook on the ipad and iphone or are you using mac mail on those devices? Since it's impacting all 3 clients it's possible that the access to third party email programs was disabled. 
Can you check the third party email settings at xfinity.com Make sure that allow access is checked under the third party access security menu.