SekurMailSekur Private Data
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Related Products
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About
Aster Mail is a free, open-source, end-to-end encrypted email service for people who want real privacy without the technical overhead. All encryption happens on your device before anything reaches our servers, so we have zero access to your messages or metadata.
Aster uses standard OpenPGP with portable RSA-4096 keys, so you're never locked in. Your keys work with GPG, Thunderbird, or any PGP client, and they're discoverable through WKD and public keyservers. Aster-to-Aster messages use a Signal-inspired X3DH and Double Ratchet protocol for forward secrecy.
Every plan includes encrypted email, custom domain support, free aliases, tracker protection, and full access across web and desktop. The entire codebase is published under AGPL v3 on GitHub, fully auditable, with a public warrant canary and documented vulnerability disclosure.
Free plan includes 10 GB encrypted storage, 5 aliases, and 1 custom domain. Paid plans start at $2.99/month. Servers located in Germany.
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About
For anyone who cares about online privacy and security, SekurMail offers an encrypted email service that is not only private by default, but a safe and powerful tool to communicate with everyone, within Sekur or outside of Sekur. Protects your personal information and communications from being accessed by unauthorized parties, such as hackers, advertisers, or rogue agencies. Encryption and other security measures to prevent your messages from being intercepted, modified, or tampered with, in transit or at rest. Empowers you to access information and communicate with anyone in the world, regardless of geographical or political barriers. SekurMail turns your email into a secure and private communications platform with the highest security and privacy standards using end-to-end encryption for messages between SekurMail users and external users. Our backend email servers provide the most secure environment for your digital communications.
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Audience
Privacy-conscious users
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Audience
Individuals and companies in search of a solution to encrypt and secure their emails
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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Screenshots and VideosNo images available
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Pricing
No information available.
Free Version
Free Trial
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Pricing
$7 per month
Free Version
Free Trial
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Reviews/
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Reviews/
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationAster Mail
Founded: 2025
United States
astermail.org
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Company InformationSekur Private Data
Founded: 2017
United States
sekur.com/en/mail
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Categories |
Categories |
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Integrations
Microsoft Outlook
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