DreamHost maintains a set of backups for DreamHost-hosted email accounts, and these can be manually restored upon request.
DreamHost does not guarantee the backups for your emails. It is highly recommended that you always keep local backups of your email addresses just in case a DreamHost backup is not available.
Restoring your email
If you need to restore data from your email address, please Contact Support.
DreamHost recommends that you maintain your own backups of email messages. Refer to the following guide below for manual backup options: