1.)Ensure that you are signed into your profile. You are signed into the account if your see the below: (Dashboard, Domains, Services, etc)
1.2.) Click on 'Manage Web Services'
1.3.) Search the desired hosting & and click the 'Active' status
1.4.) Under 'Manage' click on 'Log in to cPanel'
1.5.) Navigate to 'Auto Responder' under the Email section
1.5.) You can specify the domain, and click on 'Add Auto Responder'
1.6.) You can customize the auto-responder settings, including the sending interval, "from" email address, subject, message body, as well as the start and end date and time.