Setting up your Email on your PC, laptop, Mobile phone or Tablet

So you've got your new website and domain name is www.yourcompany.ie or .com, etc. AND/OR You've got your new PC/Netbook/Laptop/Tablet/iPad/iPhone/Android Phone or other smart mobile device. SO HOW DO I SETUP MY EMAIL? Whether you are using an Internet email account such as GMail or Hotmail or you have an email account with your broadband [...]