I am using SMTP PRO in Magento 1.9. When I click "run self-test", I am getting messages
SMTP Pro Self Test Results Sending a test email to your contact form address: email@example.com from firstname.lastname@example.org. Unable to send a test email.
Exception message was: Could not open socket Please check the user guide for frequent error messages and their solutions. Default templates exist. Email communications are enabled.
Please Help me ...thank you