Why It Matters for Sender Reputation
The percentage of recipients who mark your email as spam. Google requires bulk senders to stay below 0.3%. Understanding this concept is essential for maintaining good email deliverability and protecting your domain's sender reputation.
How It Works
Email metrics provide measurable signals about your sending quality. Mailbox providers use these signals to evaluate your sender reputation and determine inbox placement.
Practical Example
When configuring your email sending infrastructure, paying attention to complaint rate is critical. A misconfiguration or oversight in this area can lead to decreased deliverability, increased spam filtering, or even blacklisting.
Check your setup: Use our Sender Reputation Checker to verify your domain's configuration and get your free Sender Reputation Score.