Gmail features for administrators

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