How to configure the email setting in the soap ui pro

 I am following this link :https://support.smartbear.com/readyapi/docs/soapui/steps/send-email.html#_ga=2.202282514.2070177261.1530162842-1458565583.1530162842

I am getting same error again and again. I am the paid user of soap ui. Please help me to solve this problem