How to send a letter to the laravel?

MAIL_DRIVER=smtp
MAIL_HOST=smtp.gmail.com
MAIL_PORT=465
MAIL_USERNAME=******
MAIL_PASSWORD=******
MAIL_ENCRYPTION=ssl



ERROR

Swift_TransportException in StreamBuffer.php line 265: Connection could not be established with host "smtp.gmail.com [ #0]

via Chebli Mohamed