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Bounce Handler article

SMTP2GO

Setup Instructions

Follow these steps to configure bounce handling for SMTP2GO.

Step 1: Get Your Webhook URL

  1. Go to QuillCRM → Settings → SMTP → Bounce Handling
  2. Find the SMTP2GO section
  3. Copy the webhook URL provided

Your webhook URL will look like:

https://yoursite.com/?quillcrm_webhook=bounce&provider=smtp2go&key=your_security_key

Step 2: Configure SMTP2GO Webhook

  1. Log in to your SMTP2GO Dashboard
  2. Go to Settings → Webhooks
  3. Click Add webhook
  4. Paste your QuillCRM webhook URL
  5. Enable bounce-related events (Bounce, Hard bounce, Soft bounce, Blocked, Reject)
  6. Click Save

Bounce Classification

SMTP2GO Event QuillCRM Classification
hard_bounce / bounce Hard bounce
soft_bounce / blocked / reject Soft bounce

Troubleshooting

  • No bounces recorded: Verify the webhook is active in your SMTP2GO settings and the correct event types are enabled.
  • 403 Forbidden: The security key may be wrong. Copy the URL again from QuillCRM settings.