Secure email with absolutely no compromises, brought to you by MIT and CERN scientists.
- - Proton Mail is the most popular Web-based, Android, iPhone & Linux alternative to DeliverySlip.
- - Proton Mail is the most popular Open Source & free alternative to DeliverySlip.
Proton Mail Features
Hushmail is a commercial email service focusing on security with features such as industry-standard OpenPGP encryption and two-step verification. All communications also use a secure SSL/TLS connection.
- - Hushmail is the most popular commercial alternative to DeliverySlip.
Tildamail is a free, decentralized, and secure email system, developed by Stanford graduates. We are an end-to-end encrypted email system that protects your privacy. Tilda is a standard for DApps backed by self-sovereign data. User data never touches our servers.
Virtru provides digital privacy technology to let you easily share information securely through all major email programs and applications. Virtru puts you in charge of how your digital information is shared.
The perfect solution for regulated industries use of email to communicate protected health information (PHI); Paubox email solution is HIPAA compliant and will sign Business Associate Agreements. Great for small to medium sized practices required PHI compliance, but don't...
- - Paubox is the most popular SaaS alternative to DeliverySlip.
StayPrivate email encryption ensures that important emails, files and notes stay secure, stay compliant and stay private.