How to configure php.ini to use gmail as mail server

Question

I want to learn yii as my first framework. And I\'m trying to make the contact form work. But I got this error:

Answer 1

1. uncomment extension=php_openssl.dll at php.ini in WAMP server ("D:\wamp\bin\apache\Apache2.4.4\bin\php.ini")

2. In the file "D:\wamp\www\mantisbt-1.2.15\config_inc.php"

    # --- Email Configuration ---

    $g_phpMailer_method = PHPMAILER_METHOD_SMTP; 
    $g_smtp_host = 'smtp.gmail.com';
    $g_smtp_connection_mode = 'ssl';
    $g_smtp_port = 465;
    $g_smtp_username        = 'yourmail@gmail.com'; 
    $g_smtp_password        = 'yourpwd';
    $g_enable_email_notification = ON;
    $g_log_level = LOG_EMAIL | LOG_EMAIL_RECIPIENT;
    $g_log_destination = 'file:/tmp/log/mantisbt.log';  
    $g_administrator_email  = 'administrator@example.com';
    $g_webmaster_email      = 'webmaster@example.com';
    $g_from_email           = 'noreply@example.com';
    $g_return_path_email    = 'admin@example.com';  
    $g_from_name            = 'Mantis Bug Tracker';
    $g_email_receive_own    = OFF;
    $g_email_send_using_cronjob = OFF;