Find out how much space your email messages and attachments can occupy.
Your quota (storage) use is based on the size of the messages and attachments in all of your mail folders. Central email quota is 3 GB.
Visit Central Email Management to find out how many kilobytes of UBmail (Central Email) space you have used.
Delete email and empty the trash often to prevent items in your inbox and trash folder from occupying storage space.
Save large attachments to another location and then delete the messages from your email. You can save attachments to your computer or your UBfs space.