Payment Module, Email SMTP configure, Order page and Shpping method

1) I want to setup the smtp email from my web hosting, so when buyer placed order, they will receive a confirmation mail from our webstore automatically, and meanwhile the webstore also will send the order email to our staff and admin. 2) Payment module, I want those payment method information is editable, e.g. when the buyer choose Western Union / Moneygram/ Bank Transfer / Credit Card payment , then the next page will show our pyment detail (this page is editable because I will change the payment detail by myself) i) Western Union ii) Moneygram iii) Bank Transfer iv) Credit Card Payment 3) Order Page, I want to add ome option: i) a box for Special instruction, buyer can leave a note to us about their special instruction. ii) (I want this dropdown menu can be editable by myself in future) a Drop down menu : Where did you know about us? > RepGeek > RWI > RWG > RwgBoard > Others 4) Shipping method, my default shipping just one choice only, I want to add more: i) Fedex ii) DHL iii) UPS iv) UK Shipping ($25) It will normally take about 7-10 working days from China to UK and another (Extra $25) 7-10 working days from UK to your country Shipping rate is depends on zone and quantity , not weight.