Thanks for your quick reply. It was an unsolicited message that had been popping up for several days. When I tried to respond using the options they offered I couldn't get on because I forgot my password. I finally got on Xfinity another way and reset my password and everything got resolved. Apparently they have revamped the email system/computer and I think I had to change some port in my setup. I use Outlook. Anyway, the message has stopped and several weeks of email have been delivered to me after the setup change.
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