Email spam complaint rate measures how often subscribers mark your emails as spam.
Common reasons include:

1. They didn’t subscribe to your list
2. Your email lacks a valid unsubscribe link
3. They’re still receiving emails after unsubscribing
4. They report your email as spam instead of unsubscribing

Understanding why you receive spam complaints is important. Exceeding the recommended average (below 0.1%) can harm your sender reputation.

With Smartlead's Spam Complaint Rate Calculator, you can identify problem areas, protect your sender reputation, and improve your deliverability.

Smartlead's Spam Complaint Rate Calculator helps you identify your current spam complaint rate and offers actionable insights to reduce it. By analyzing your campaign data, our tool helps you optimize your email list and improve your overall outreach performance.

• www is the subdomain and is an identifier of the record.

• CNAME is the DNS record type.

• com is the value of the record. That means www will resolve to the IP address of the domain abc.com.

• 3600 is TTL (time to live) is the expiry time of the CNAME record. It's expressed in seconds. Here 3600 means that the records will be updated after each hour.