Skip to main content
Calculate Your Complaint Rate — Track spam complaints accurately with clear, actionable metrics. Try Free Tool →

How is spam complaint rate calculated?

  • Spam complaint rate is calculated as follows.
  • Spam complaints divided by delivered messages multiplied by one hundred.
  • Most mailbox providers send complaints through Feedback Loops when available.
Need personalized help?

Get personalized advice for your email program. Open an AI assistant with your question pre-loaded — just add your details and send.