ERROR: Webmail over quota solution View The Full Article If your webmail is over quota and is causing messages to be bounced back to senders, you may find that you are unable to delete messages to free up space. To fix this issue, please perform the following steps: 1. Log into Webmail and click on Options at the top of the screen. 2. Click on Folder Preferences in the right column. 3. In the very first dropdown for Trash Folder, choose Do Not Use Trash. 4. Click Submit. 5. Next, Click on Display Preferences. 6. Under Number of Messages Per Page, change the number to 500. 7. Scroll down and click Submit. 8. Delete unwanted messages to be sure your email stays under quota.