A Spam checker list is a collection of Email addresses or domains that are flagged as potentially containing spam. These lists can be helpful for identifying email addresses that may be sending unwanted messages, and for taking appropriate action to remove them from your email distribution lists. 

There are much different spam checker lists available online, and it's important to find one that meets your specific needs. If you're looking to get rid of spam from your email inbox, there are a few different tools you can use. 

To acquire more information about the email checker lists you may visit  https://bounceless.io/. There are some of the free tool offered by Google that helps you identify unwanted emails. To use it, first head to Gmail's Settings page and click on the Filters tab. 

Image Source:- Google

To use it, first head to Gmail's Settings page and click on the Filters tab. Under the "Incoming" heading, click on the Add button from the list. Then, enter your email address into the From field and hit the Start button.

Once you've added either of these filters to your account, all incoming emails will be checked against them before they're delivered to your inbox. If an email is flagged as spam, it will be automatically deleted without being sent to your inbox.