//$submail->SetSubject('test SDK');
/*
|Required para
|--------------------------------------------------------------------------
|set project sign
|--------------------------------------------------------------------------
*/
$submail->SetProject('OS8iI2');
/*
|Optional para
|--------------------------------------------------------------------------
|submail email text content filter
|@Multi-para
|--------------------------------------------------------------------------
*/
$submail->AddVar('name', 'leo');
$submail->AddVar('age', '32');
/*
|Optional para
|--------------------------------------------------------------------------
|submail email link content filter
|@Multi-para
|--------------------------------------------------------------------------
*/
$submail->AddLink('developer', 'http://submail.cn/chs/developer');
$submail->AddLink('store', 'http://submail.cn/chs/store');
/*
|Optional para
|--------------------------------------------------------------------------
|email headers
|@Multi-para
