Frank: A couple of questions:
1. Are you a SmarterMail administrator or user?
2. If you are a SmarterMail user, have you contacted your SmarterMail hosting company or administrator?
3. If you are a SmarterMail administrator, have you recently updated the SSL security registry settings to disable TLS encryption, and, if so, is your Outlook 2013 still trying to connect using SSL?
If that's the case, try changing your encryption method to TLS, using the ports appropriate to your the Outlook connection you are trying to make.
To reiterate Steve's comment: the more information you can provide when you post, the easier it is for someone to assist you in finding a resolution.
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