Debugging email issues has always been a hustle for non-tech savvy clients. Usually, email problems occur because of connectivity issues between the email server and the client's computer. If you are not sure how to check whether your email server is down you can access this website:

http://mail2web.com/

You will need to simply type your email user name and password and the web interface will connect to your account. If the connection is successful and you see your messages then most probably there is a connectivity issue. In this case you should double check your local email client's settings. For more details how to correctly configure your email client please review this tutorial:

http://www.siteground.com/tutorials/email/email_clients.htm

If you cannot get your email client working we will be glad to assist you. Simply post a new support ticket from your Customer Area -> Get Support -> HelpDesk section and we will check the case in details.