How to find your Postmark Server's Inbound Hash and update its Inbound Webhook:- Log in to your Postmark account.
- Go to Servers → select your server → Inbound tab.
- Copy the Inbound Hash of the Inbound Email Address (it looks like
35bcd57fd2d85a72c97e3caa48f4ff96). - Set the Inbound Webhook to:
https://mailmerge-studio.vercel.app/api/postmark/webhook/inbound