Postmark Webhooks When to Use This Skill - Setting up Postmark webhook handlers for email event tracking - Processing email delivery events (bounce, delivered, open, click) - Handling spam complaints and subscription changes - Implementing email engagement analytics - Troubleshooting webhook authentication issues Essential Code Authentication Postmark does NOT use signature verification. Instead, webhooks are authenticated by including credentials in the webhook URL itself. Handling Multiple Events Common Event Types | Event | RecordType | Description | Key Fields | |-------|------------|----…