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Description

Aster Mail is a complimentary, open-source email service that offers end-to-end encryption for users seeking genuine privacy without cumbersome technical requirements. The encryption process occurs directly on your device, ensuring that our servers never have access to your messages or any associated metadata. Utilizing the widely accepted OpenPGP standard with RSA-4096 keys, Aster ensures that you are not bound to a single provider; your keys can be used seamlessly with GPG, Thunderbird, or any compatible PGP client, and they are easily discoverable via WKD and public key servers. For communications between Aster users, the service employs a Signal-inspired X3DH and Double Ratchet protocol, providing enhanced forward secrecy. Each subscription tier comes with encrypted email capabilities, support for custom domains, free aliases, protection against trackers, and unrestricted access across both web and desktop platforms. The complete codebase is available under the AGPL v3 license on GitHub, allowing for thorough audits, and it features a public warrant canary along with a clear vulnerability disclosure policy. The free tier provides 10 GB of encrypted storage, along with 5 aliases and 1 custom domain. Paid subscriptions begin at just $2.99 per month, and all servers are conveniently located in Germany, ensuring compliance with stringent data protection regulations. Users can feel secure knowing their communications are protected by top-notch encryption standards.

Description

Business correspondence frequently includes sensitive information, whether internal or personal, that may be vulnerable to unauthorized access if not adequately safeguarded. To ensure a secure and comprehensive email exchange, consider utilizing Hornetsecurity's Email Encryption for trustworthy communication. Emails sent out are automatically encrypted using established technologies such as PGP, S/MIME, or TLS, based on the configured policies and the availability of the necessary certificates, all without requiring any additional action from the user. When the sender's public key is accessible, their messages are seamlessly decrypted and delivered to the intended recipient. Given the stringent compliance mandates, prioritizing data encryption has become crucial. In a corporate setting, the majority of sensitive information and file exchanges occur through email, making it imperative to secure the transmission pathways to protect this valuable data effectively. By implementing robust encryption measures, businesses can significantly reduce the risk of data breaches and enhance overall information security.

API Access

Has API No 

API Access

Has API No 

Screenshots View All

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Screenshots View All

Integrations

Microsoft 365 No 

Integrations

Microsoft 365 Yes 

Pricing Details

No price information available.
Free Trial No 
Free Version Yes 

Pricing Details

No price information available.
Free Trial No 
Free Version No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App Yes 
iPad App Yes 
Android App Yes 
Windows Yes 
Mac Yes 
Linux Yes 
Chromebook Yes 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours Yes 
Live Rep (24/7) No 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person Yes 

Vendor Details

Company Name

Aster Mail

Founded

2025

Country

United States

Website

astermail.org

Vendor Details

Company Name

Hornetsecurity

Country

Germany

Website

www.hornetsecurity.com/us/services/email-encryption/

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