In order to enable the Mail system you have to go under Settings -> Mail and fill ALL the following fields:
Username: the username for authentication
Email Address:
Password: the password for authentication
SMTP Host: Hostname of the SMTP server
SMTP Port: Port number of the SMTP server
SMTP Secure: Security type for the connection (SSL, TSL, No secure)
Use SMTP: it is necessary to set it on TRUE. If false, the system doesn't use the SMTP server configured above.
