A new parameter $config (associative array) was added in the PMFSendMessage function: Example: array( "MESS_ENGINE"=>"PHPMAILER", "MESS_SERVER"=>"smtp.gmail.com", "MESS_PORT"=>587, "MESS_FROM_MAIL"=>"xxx@gmail.com", "MESS_RAUTH" =>1, "MESS_ACCOUNT"=>"xxx@gmail.com", "MESS_PASSWORD"=>"15678=865", "SMTPSecure"=>"tls" ) The parameters of the array showed in the Example are all the necesary parameters.