From your main control panel, click on the domain name for which you wish to set up auto-reply, then look to the Gandi Mail section:
1. Click on “Manage” to access the management page of your email accounts
2. From there, click on the email mailbox on which you want to add the auto reply. This will bring up the email mailboxes' management form. Scroll down to the bottom where you will see a line that says:
Automatic reply O Activated 0 Deactivated
Click on “Activated”, and then a little form will appear under it. Simply fill it out as desired:
When you click on the calendar it will bring up a little one, that you can click on the day that you want.
Once you have completed the form, click on the “Change” button to submit.