Check with Digicertĭigicert is a Certificate Authority (issuer). Currently, this does not seem to work on 1.x devices, though it’s not clear why. Follow the thread to see if there are new insights. I don’t know enough to assure you of this and I’m just ‘some person’ on the internet. Installing manually is possible, but you should be sure of the source and validity of the certificates to avoid compromising your device’s security. New certificates are usually accepted by existing, ‘root’ certificates (installed by the manufacturer) via a cryptographic process. This method involves installing security certificates on your device to enable it to connect to the server. Note that this fix seems to work and as such, suggests what the problem might be, but it is not entirely clear what the exact issue is.
#Yahoo mail and avast certificate error install
Transfer, install and trust the certificates.Request the certificates and save them as files.There are implications of this process and it maybe useful in solving similar, future problems. This seems to work for most users, so this article will detail some steps.
Forum user, markar did some research and suggested a solution.
On Yahoo’s forums, there were complaints from general users about a problem that seemed to occur on the 25th and it seemed possible it was an issue at Yahoo’s end. The typical error message is, “Requested encryption not supported by server”. If you connect your webOS email app to Yahoo mail, you may have noticed that you stopped receiving mail late last week (around the 26th of February).