---
title: "Is Your Unsubscribe Really One Click? Check Free | WarmInboxes"
description: "A short walkthrough of the free WarmInboxes one-click unsubscribe checker: read a message's headers and confirm the List-Unsubscribe and List-Unsubscribe-Post…"
url: https://warminboxes.com/videos/one-click-unsubscribe-checker
breadcrumb: "Home > Tool demos > Unsubscribe Header Checker"
---
# Is Your Unsubscribe Really One Click? Check Free

Tool demo · Unsubscribe Header Checker

A short walkthrough of the free WarmInboxes one-click unsubscribe checker: read a message's headers and confirm the List-Unsubscribe and List-Unsubscribe-Post headers bulk senders need.

## Unsubscribe Header Checker

Check whether a message’s List-Unsubscribe headers meet the one-click requirement Google and Yahoo enforce.

[Run the Unsubscribe Header Checker →](https://warminboxes.com/one-click-unsubscribe-checker) Free, no account.