Compliance

List-Unsubscribe Header

An email header providing one-click unsubscribe. Required by Google and Yahoo for bulk senders since 2024.

Why It Matters for Sender Reputation

An email header providing one-click unsubscribe. Required by Google and Yahoo for bulk senders since 2024. Understanding this concept is essential for maintaining good email deliverability and protecting your domain's sender reputation.

How It Works

Email compliance regulations protect recipients and set standards for legitimate senders. Following these rules helps maintain trust and avoids penalties that could damage your reputation.

Practical Example

When configuring your email sending infrastructure, paying attention to list-unsubscribe header 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.

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