To ensure the best experience using Hushmail, and to keep up to date on critical security updates, we recommend using the latest versions of our supported browsers, operating systems, and third-party email applications.
- Apple Safari (version 9 and up)
- Google Chrome (version 50 and up)
- Microsoft Internet Explorer (version 11) and Edge (version 40 and up)
- Mozilla Firefox (version 52 and up)
- Windows 10
- Windows 8
- High Sierra (10.13)
- Sierra (10.12)
- El Capitan (10.11)
- iOS 8 and up
- Apple Mail (version 9 and up)
- Microsoft Outlook (2010 and up)
- Thunderbird (version 52 and up)
These minimum requirements also apply to customers using our Secure Forms feature, as well as non-Hushmail recipients reading encrypted messages.