I have recently started receiving an expired SSL warning from my A/V that a certificate is expired, thunderbird is indicated to be the application attempting the connection. After looking at the certificate reported it is, indeed, expired, however I don't know where it is coming from, the domain reported is not one of the domains I check email on, (but it is the root domain for the CPanel hosting that those domains sit on). How can I find out just what certificate it is finding, and how can I resolve it, all of the domains SSL certs are reported as up2date on other apps, including Firefox. Where is thunderbird trying to go?