What is spam complaint rate?
Spam complaint rate measures how many recipients marked your email as spam. It is far more dangerous than an unsubscribe because mailbox providers use complaints as a direct signal of distrust.
A complaint is the digital equivalent of a port authority raising a red flag against your vessel.
Need personalized help?
Get a personalized explanation for your specific email setup. Open an AI assistant with your question pre-loaded — just add your details and send.
Was this answer helpful?
Thanks for your feedback!