Note 
About mail configuration: 
● SMTP portDefault to use port 25 without encryption, or using port 465 if SSL/TLS is used. 
Port 587 is mainly used for STARTTLS protocol mode. 
The STARTTLS protocol mode that is usually used by default when selecting TLS. 
● User nameUser name of Outlook and Hotmail require full names, and other email require a 
prefix before @.