Email Plus
An @zipbang.com or @yourdomain.com account is more than just email. You can also Share calendar events and contacts, keep your current email address, and NO advertising.
Go Mobile
Wirelessly syncronize and manage email, calendar, and contacts between your smartphone and Outlook, Entourage, Apple Mail, iCal, and web mail on your computer.
Drop Ship
Send 10 meg and larger files, photos, or movies with an easy-to-use web interface. Uploading the file automatically sends an email with a link to directly download the file using FTP.
& Rest Easy
Spam and Anti-Virus protection is provided through Mail Foundry. Rated lowest for false positives you won't be whitelisting senders or searching your junk mail folder for that important email.
It's how iPhone email should work!