Apps Documentation & Support
Google Apps Gmail includes these key features to help administrators manage access to Gmail and the flow of email for their organizations:
| Feature | Summary | Learn more |
|---|---|---|
| Custom URL | Specify a custom URL at which your users access Gmail -- for example, mail.your domain.com | Learn more |
| Email whitelist Google Apps for Business and Education only |
Specify IP addresses from which your users expect to receive legitimate email. Messages from addresses on your whitelist won't be marked as spam. | Learn more |
| Email routing Google Apps for Business and Education only |
Specify where inbound messages are delivered, for purposes such as Google Apps pilot deployments, mail server coexistence, and archiving. You can route messages to a catch-all address or another mail server. | Learn more |
| Inbound gateway Google Apps for Business and Education only |
Use an SMTP server to route inbound messages to users at your domain, for purposes such as archiving, filtering, monitoring, and compliance. | Learn more |
| Outbound gateway Google Apps for Business and Education only |
Route outbound messages from users at your domain to an SMTP server for purposes such as archiving, filtering, monitoring, and compliance. | Learn more |
| Outbound relay | Allow users to send outbound messages with a different "from" address, through an external SMTP server on which they have an account. | Learn more |
Note: Administrators can also turn on Gmail options for users, such as Gmail Labs, offline Gmail, POP and IMAP access, mail delegation, and more. Learn more
