4j.org

Can 4j.org receive emails?

Yes, 4j.org can receive emails.

Should you allow users to sign up to your website using the domain 4j.org?

No, 4j.org is a throwaway domain and should be blocked.

How to block the temporary domain 4j.org?

You can use MailCheck's free API to automatically block throwaway emails. Read our documentation to get started. No registration required.

DNS Records