If you are an undergraduate student at IU, you have access to IU Gmail, as well as other Google at IU apps such as Hangouts, Drive, and Calendar.
If you are an IU graduate student, you can choose to use Gmail, Microsoft Exchange, or both.
Accessing and managing your email account
Log in to your IU Gmail account via a desktop PC, laptop, mobile device, or campus workstation with your IU username and passphrase. You can also access your mail directly by logging into gmail.com with your firstname.lastname@example.org email address and your IU passphrase.
Check these IU Knowledge Base articles for information on configuring and managing your account: