Using Google Apps for email has many major benefits over using your ISP or hosting providers mail services.
Here are some reasons to use Gmail:
- Massive mailbox storage - most ISP limiting you to about 10 or 20 MB for saving your email. Google give your gigabytes of space
- Multiple Access - google lets your connect to your mailbox in many ways, from a Web 2.0 web based app to using your iPhone along with standard ways like IMAP and POP3
However setting up gmail takes a bit of work. RMW Web Publishing will do the bulk of the work to get your domain working on Google Apps. If you want to use Gmail webmail through your browser (the best way) there is nothing extra to do, just login. If you want to use your email client to check your email, please read Google documentation on how to set this up: