can't access e mails through firefox on laptop, stopped on 8/11, last update 8.7

need a phone call from mozilla support [phone number] no additional info than above

Hi I have removed your telephone number for your privacy and security as this is an open forum and we do not provide support by telephone. Who is your email service provider?

There have been issues reported with the idm.xfinity.com server and it appears that Comcast/Xfinity has forgotten to update/renew the certificate for this domain. You can contact Comcast and point them to the Qualys SSL Report for idm.xfinity.com. *https://www.ssllabs.com/ssltest/analyze.html?d=idm.xfinity.com *https://www.ssllabs.com/ssltest/analyze.html?d=idm.xfinity.com&s=96.99.230.105 *https://www.ssllabs.com/ssltest/analyze.html?d=idm.xfinity.com&s=2001%3a558%3afeed%3adc%3a0%3a0%3a0%3a18 Try to login via this page: *https://login.xfinity.com/login See a thread like this one *[/questions/1420928] unable to sign into Xfinity for email More: *https://support.mozilla.org/en-US/search/?w=2&product=firefox&q=field%3Acontent%3A%7Bcomcast+email%7D+range%3Aquestion_created%3Agte%3Anow-30d%2Fd