Default [Q] Android 4.3 Update + Stock Email + Outlook Exchange Certificate Problems

I updated to Android 4.3 and now two of my three Outlook email accounts no longer sends messages via exchange. I'm using the stock email app. Apparently, there appears to be a problem with how it handles certificates (attached error).

I can still check and send messages from my laptop and from the Outlook email app. The problem appears to be with the stock email app.

I've done a factory reset and it still doesn't fix the problem. I've also downloaded the Android 4.4 email app but I don't like it; you can't even setup auto cc/bc and the fonts are to big.

Does anyone have this problem or have suggestions? thx
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Siemens SX-66, HD2, HD7, Galaxy Note 1 & 2