thunderbird showing secure connection failed, start.thunderbird.net uses an invalid security certificate.....
thunderbird showing secure connection failed, start.thunderbird.net uses an invalid security certificate.....
thunderbird showing secure connection failed, start.thunderbird.net uses an invalid security certificate.....
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Please attempt to add an exception at the bottom of the error page. Then inspect the certificate - see the attached screenshot for instructions. Do not actually create an exception for the cert.
Who is the issuer of the cert? Please post a screenshot of the Certificate Viewer window with the issuer information visible.
