In the Finder, go to Applications and double click on Apple Mail
If this is the first time you've run Apple Mail, you will be presented with the above screen. Simply click Continue, then click Done.
The Verify Certificate dialog will appear as a security warning. Simply click Connect to continue testing your Outgoing Mail Server settings.
You've now tested all your account settings and they are shown on this final screen. Simply click Create to create complete setup of your e-mail account in Apple Mail.

