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DoubleScale

Bounce Handler

Netcore Email API (Pepipost)

Setup Instructions

Follow these steps to configure bounce handling for Netcore Email API (formerly Pepipost).

Step 1: Get Your Webhook URL

  1. Go to DoubleScale → Settings → SMTP → Bounce Handling
  2. Find the Netcore Email API (Pepipost) section
  3. Copy the webhook URL provided

Your webhook URL will look like:

https://yoursite.com/?doublescale_webhook=bounce&provider=pepipost&key=your_security_key

Step 2: Configure Netcore Webhook

  1. Log in to your Netcore Email API Dashboard
  2. Go to Settings → Webhooks
  3. Click Add webhook
  4. Paste your DoubleScale webhook URL
  5. Enable the Bounced event type
  6. Click Save

Note: Netcore can batch up to 500 events per webhook call. DoubleScale handles batch payloads automatically.

Bounce Classification

Netcore BOUNCE_TYPE DoubleScale Classification
HARDBOUNCE Hard bounce
SOFTBOUNCE Soft bounce

Troubleshooting

  • No bounces recorded: Verify the webhook is active in Netcore and the “Bounced” event type is enabled.
  • 403 Forbidden: The security key may be wrong. Copy the URL again from DoubleScale settings.