HostGator is also good for email hosting.You can create unlimited email accounts with any domains hosted with HostGator,i.e you can have any number of email accounts like you@yourdomain.com with unlimited email storage

They also provide 3 webmail softwares – Horde,Squirrel Mail and Round Cube.You can choose any webmail to read and send emails or you use your favorite POP Clients like Outlook,Thunderbird..etc.You can get configurations needed to link to your account from the Control Panel
Here is a screen shot from Control Panel showing the Mail Tab

You can also assign Auto-responders to specific email address to make automated replays when the address gets an email,create Forwarders to forward all incoming emails,manage Mail list…etc

There is a spam killer option for keep your inbox clean. You can setup BoxTrapper,with which you could protects your inbox from spam by forcing all people not on your white list to reply to a verification email before they can send mail to you.

Choose HostGator Hosting now for all your email needs