User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; pl; rv:1.8.1.14) Gecko/20080404 Firefox/2.0.0.14 Build Identifier: 2.0.0.14 I fetch mail from a POP3 server with SSL turned on. After upgrading Thunderbird today from 2.0.0.12 to 2.0.0.14 - it started to show a dialog, that the server requests my certificate to identify the client. Then a certificate has to be selected from combobox (I have one to sign emails) and OK/Cancel have to be clicked. And when you have mail configured to be downloaded every N minutes - this dialog pops up every time. NOTE: I downgraded TB back to 2.0.0.12 and it does *not* happen. Reproducible: Always Steps to Reproduce: 1. You need to have a valid certificate installed in TB and a POP3 account accessed via SSL (port 995 by default) 2. Upgrade from 2.0.0.12 to 2.0.0.14 Actual Results: Dialog with certificate selection pops up (even when there is only one certificate). Expected Results: Either caching the result of certificate selection or not showing this dialog if that request is optional. I'm not sure whether it's related to server's configuration - seems that it has an optional setting of client authorization through client SSL certificates, but still - the behavior changed from 2.0.0.12 to 2.0.0.14!

I don't get a certificate request, but it will not let me connect. This is directly related to 2.0.14. Had no problems until this morning after the upgrade.

Probably related to 431757 as well.