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The Custom Reply-To feature lets you choose which email address appears in the Reply-To field of your confirmation and workflow emails. When an attendee replies to a booking email, their response goes to the address you select here.

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:
  1. Go to your Profile / Account Settings.
  2. Under your email section, select Add verified email and enter the new address.
  3. Open the verification email sent to that address and confirm it.
  4. Head back to your Event Type → Confirmation tab. The newly verified email will now appear in the Custom Reply-To dropdown.

Good to know

Once you select a custom Reply-To address, it’s used in place of your organizer email for outgoing confirmation and workflow emails. If you’ve also turned on the option to hide your organizer email, only the custom Reply-To address will be used.