config_defaults_inc.php中添加：

    $g_administrator_email  ='yibaoopen@126.com';
    $g_webmaster_email      ='yibaoopen@126.com';
    # the "From: " field in emails
    $g_from_email           ='yibaoopen@126.com';
    # the return address for bounced mail
    $g_return_path_email    ='yibaoopen@126.com';

    $g_phpMailer_method = 2;
    $g_smtp_host = 'smtp.126.com';
    $g_smtp_username = 'yibaoopen';
    $g_smtp_password = '******';

config_inc.php中添加：

    $g_administrator_email  ='yibaoopen@126.com';
    $g_webmaster_email      ='yibaoopen@126.com';
    $g_from_email           ='yibaoopen@126.com';
    $g_return_path_email    ='yibaoopen@126.com';

php.ini中修改项：
    [mail function]
    ; For Win32 only.
    SMTP = smtp.126.com
    ;smtp_port = 25

    ; For Win32 only.
    sendmail_from = yibaoopen@126.com