Faculty, staff, and alumni: 2.5 GB total.
Students: 2.5 GB for email and 2.5 GB for home directory files.
If you approach the email quota (80-90% use), you will be sent a warning message. Once you hit the quota you will no longer receive any email (except warnings about your quota); people who send you email will be sent a message informing them that you did not receive the message.
Log in to webmail to see your quota at the top of the page, just above the page number.
The IT department publishes out a tech tip every week. Peruse the tips to learn more about a wide variety of technology related topics.