What's going on? I want my email. Please fix this.
This Connection is UntrustedYou have asked Firefox to connect securely to uk-mg-bt.mail.yahoo.com, but we can't confirm that your connection is secure.Normally, when you try to connect securely, sites will present trusted identification to prove that you are going to the right place. However, this site's identity can't be verified.What Should I Do?If you usually connect to this site without problems, this error could mean that someone is trying to impersonate the site, and you shouldn't continue.This site uses HTTP Strict Transport Security (HSTS) to specify that Firefox only connect to it securely. As a result, it is not possible to add an exception for this certificate.
Technical Detailsuk-mg-bt.mail.yahoo.com uses an invalid security certificate. The certificate expired on 09/01/2015 23:59. The current time is 10/01/2015 06:07. (Error code: sec_error_expired_certificate)