Google Apps is a free Google service where products like Gmail and Google Calendar can be used with a custom domain name.
Instead of having the e-mail address firstname.lastname@example.org, you can use email@example.com.
In addition to the free edition of Google Apps, there are other editions like Google Apps for Business. Google Apps for Business
currently support 25 GB of e-mail storage space and also have guaranteed uptime.
Google Apps in Gmail Notifier Pro
Gmail Notifier Pro supports both standard Google accounts and Google Apps accounts. Multiple accounts are also supported.
Adding a Gmail Google Apps account in Gmail Notifier Pro is identical to adding a standard Gmail account.
The full e-mail address, including the domain name, must be entered.