This guide is for HostGator users only
So firstly sign in to your HostGator account and go the Hosting > Emails.
Scroll down until you see Create a new email address and click it.
You will then be able to select your name for your @domain.com email. You can anything, your name, info, admin…
You can also select the Quota for that email, 0 gives it unlimited MB. once you have given the email a name and password you can select Create Account.
To access your hosting account mailboxes with an email client like Outlook, iPhone, MacMail, or another client of your choice (either POP or IMAP), you have to configure it. You’ll find the required configuration settings and step-by-step instructions here: http://support.hostgator.com/articles/specialized-help/email/outlook-eudora-thunderbird-mac-ipad-phone-client-settings
If you do not want to access via your mobile or other email clients you can access your emails by typing in your domain and adding /webmail (Example: www.yourdomain.com/webmail).