There are two ways you can set up your email auto-responder:

Via the Brownrice Dashboard:

1. Log in to your Dashboard
2. Navigate to EMAIL HOSTING
   
3. Select your VPS: yourvpsname.com 
   -> Click Manage Email Accounts (green button)
   
4. Scroll to the bottom and click 'Manage Email Accounts' again.
   
5. Click 'Email Accounts' then click the blue modify icon next to your account.
   
6. Check the box next to 'Send Vacation Auto-Response'
   
7. Fill in an email subject and body
8. Click 'Modify User' at the bottom
   

Via the Email Control Panel:

1. Log in to your Email Administration Dashboard: https://admin.brownrice.com
2. Log in with the account information for which you want to set up the auto-reply. For example, if it's john@yourwebsite.com you would login with this information:
   
   User Name: john
   Domain: yourwebsite.com
   Password: (enter your password)
   
3. Once you've logged in, click the Send Vacation Auto-Response checkbox, fill in the Vacation Subject and Vacation Message boxes, then click the Modify User button.
   

Done.