Where to find it
Go to your Event Type → Confirmation tab and enable Custom Reply-To.Which emails show up in the dropdown
The dropdown only shows emails that are already verified on your Cal.com account. This includes your primary email plus any additional emails you’ve added to your profile. You can’t type in an arbitrary address here—it has to be one of your verified emails.How to add more emails to the dropdown
If you want a different address to appear as an option, add and verify it first:- Go to your Profile / Account Settings.
- Under your email section, select Add verified email and enter the new address.
- Open the verification email sent to that address and confirm it.
- Head back to your Event Type → Confirmation tab. The newly verified email will now appear in the Custom Reply-To dropdown.