The safe way to access your personal mail.
What is 1&1 MailCheck?
1&1 MailCheck is a Firefox add-on that allows you to access your personal mail securely. It offers a convenient way to check and manage your emails within Firefox, ensuring the safety of your personal information.
1&1 MailCheck is not very risky to use and it requires a lot of sensitive permissions. Avoid installing this add-on unless you absolutely trust this publisher.
1&1 MailCheck is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.