1&1 MailCheck

1&1 MailCheck

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.

Stats date:
Users: 573 ▲ 4
Version: 6.5.5 (Last updated: 2023-11-20)
Creation date: 2021-10-21
Weekly download count: 11
Firefox on Android: No
Manifest version: 2
Overrides search engine: Yes
  • activeTab
  • tabs
  • storage
  • management
  • notifications
  • contextMenus
  • identity
  • search
  • https://*.1und1.de/*
  • https://*.uilogin.de/*
Size: 2.47M
Email: Click to see
Risk impact: Very high risk impact
Risk likelihood: Moderate risk likelihood

Other platforms

Not available on Chrome
Not available on Edge
User reviews
View all user reviews
Risk impact

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.

Risk likelihood

1&1 MailCheck is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Upgrade to see risk analysis details