Step 1, Import Emails
Click 'Import Emails' button on the Main Form, then will pop up 'Import Email List'
Form.
Step 2, Start Verify
Click 'Start Verify' button on the Main Form, then Email Worker will start verify
emails, you can stop it any time. It will continue when you click 'Start Verify'
button again if there are emails awaiting verification.
Step 3, Export Email List
Click 'Save Emails' button on the Main Form, then will pop up 'Export Email List'
Form.
Step 4, Completed, it's fairly simple.
If you want to reset the default settings, such as threads number,etc. Please click
'Settings' button on the Main Form.
