RMail

RMail

RPost
+
+

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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.

About

RMail® is the e-security platform by RPost®, a global leader since 2000. RMail specializes in elegantly easy to use email encryption for privacy and compliance, e-signatures, legal e-delivery proof, secure file sharing, email impostor protection, document rights management, and AI-infused services to prevent data leaks and human e-security errors. RMail’s transmission e-security services are most often used by businesspeople or business systems that send important, sensitive, or consumer-regulated information. These RMail services are generally applied to those messages where the sender needs functionality beyond standard email in terms of (a) easier to use and more automated email encryption for privacy compliance, (b) returning a verifiable proof record of who said what to whom by email, (c) assurance and peace of mind related to delivery and open status of important and time-deadline email, (d) need a timestamped proof of content delivered, (f) need to share large files securely.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Privacy-conscious users

Audience

Insurance, Banks, Investment Advisory, Health Care, Finance and More.

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

No images available

Screenshots and Videos

Pricing

No information available.
Free Version
Free Trial

Pricing

$7/month/user
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Aster Mail
Founded: 2025
United States
astermail.org

Company Information

RPost
Founded: 2000
United States
www.rmail.com

Alternatives

Alternatives

LuxSci

LuxSci

Lux Scientiae
Proton Mail

Proton Mail

Proton AG
Send It Secure

Send It Secure

Protected Trust

Categories

Categories

Email Security Features

Anti Spam
Anti Virus
Email Attachment Protection
Encryption
Policy Management
Quarantine
Reporting/Analytics
Whitelisting / Blacklisting

Encryption Features

Central Policy Enforcement
Drag & Drop UI
Email Encryption
Encryption Key Management
Endpoint Encryption
File Compression
File Encryption
Full Disk Encryption
Public Key Cryptography
Tokenization / Data Masking

File Sharing Features

Audit Trail
Chat / Messaging
Collaboration
Document Management
Drag & Drop
Electronic Signature
Encryption
File Synchronization
Search
User Management
Version Control
Workflow Management

Secure Email Gateway Features

Anti-Malware
Archiving
Customizable
Data Loss Prevention
End-to-End Encryption
Real-time Dashboards
Reporting / Analytics
Sandbox
Threat Protection

Integrations

CARET Legal
DocsCorp
Gmail
Macaw AMS
Microsoft Outlook
Partner Platform (Partner XE)
Storage Commander Cloud
Tenant

Integrations

CARET Legal
DocsCorp
Gmail
Macaw AMS
Microsoft Outlook
Partner Platform (Partner XE)
Storage Commander Cloud
Tenant
Claim Aster Mail and update features and information
Claim Aster Mail and update features and information
Claim RMail and update features and information
Claim RMail and update features and information