Quill CRM
Bounce Handler article

Postmark

Setup Instructions

Follow these steps to configure bounce handling for Postmark.

Step 1: Get Your Webhook URL

  1. Go to QuillCRM → Settings → SMTP → Bounce Handling
  2. Find the Postmark section
  3. Copy the webhook URL provided

Your webhook URL will look like:

https://yoursite.com/?quillcrm_webhook=bounce&provider=postmark&key=your_security_key

Step 2: Configure Postmark Webhook

  1. Log in to your Postmark Dashboard
  2. Go to Servers → [Your Server] → Webhooks
  3. Click Add webhook
  4. Paste your QuillCRM webhook URL
  5. Select Bounce as the event type
  6. Click Save webhook

Bounce Classification

Postmark Event QuillCRM Classification
TypeCode 1 (Hard bounce) Hard bounce
TypeCode 16 (Unsubscribe) Hard bounce
TypeCode 512 (Spam complaint) Hard bounce
Other TypeCodes Soft bounce

Troubleshooting

  • No bounces recorded: Verify the webhook is active in your Postmark settings and the correct event types are enabled.
  • 403 Forbidden: The security key may be wrong. Copy the URL again from QuillCRM settings.