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What is Cisco Secure Email Encryption Service?

Despite the rising use of text messaging, instant messaging, and social media platforms, email continues to be the primary tool for collaboration in the business world. Nonetheless, the vulnerabilities associated with email pose significant risks to sensitive information, making it susceptible to various cyber threats. The Cisco Secure Email Encryption Service, formerly known as Cisco Registered Envelope Service, provides a strong security framework and effective controls for traditional email communications. This service integrates effortlessly with most popular email platforms, allowing it to fit seamlessly into users' daily email routines. Users can activate the encryption process through specific policies or data loss prevention measures, ensuring that sensitive information is protected. Once initiated, Cisco Secure Email generates an encryption key to secure the message within an HTML envelope prior to delivery to the intended recipient. If the Envelope Storage feature is enabled, both the key and the message are held temporarily within the Secure Email Encryption Service for added security. Recipients can easily access their encrypted messages by clicking a provided link, which enables them to open the email across any device they prefer. This system not only employs advanced encryption algorithms to ensure a high level of data protection but also enhances the overall security of email communications. Moreover, this dedication to safeguarding sensitive information fosters increased trust among users in their email interactions. In conclusion, the Cisco Secure Email Encryption Service stands as a vital tool in the fight against cyber threats, enhancing the security of business communications.

What is Aster Mail?

Aster Mail is a free, open-source email service that prioritizes user privacy through end-to-end encryption, offering a straightforward experience that avoids complicated technical hurdles. The encryption happens directly on the user's device, guaranteeing that our servers remain uninformed about the contents of messages or any related metadata. By leveraging the widely recognized OpenPGP standard with RSA-4096 keys, Aster allows users to maintain independence from any single provider, as their keys are compatible with GPG, Thunderbird, or any other PGP-enabled client, and can be easily found through WKD and public key servers. For communications between users of Aster, the service utilizes a Signal-inspired X3DH and Double Ratchet protocol, which significantly boosts forward secrecy. Each subscription level includes encrypted email functionalities, the ability to use custom domains, free aliases, protection from trackers, and unrestricted access on both web and desktop interfaces. The entire codebase is released under the AGPL v3 license on GitHub, promoting rigorous audits, and it includes a public warrant canary along with a transparent vulnerability disclosure policy to enhance user trust. The free subscription offers 10 GB of encrypted storage, 5 aliases, and 1 custom domain, while paid plans commence at just $2.99 monthly, with all servers based in Germany to comply with strict data protection laws. Users can confidently communicate, knowing their messages are safeguarded by leading encryption technologies, making Aster Mail an excellent choice for those valuing privacy. Moreover, the user-friendly interface ensures that even those with limited technical knowledge can take full advantage of its robust security features.

Media

Media

No images available

Integrations Supported

HTML

Integrations Supported

HTML

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Cisco

Date Founded

1984

Company Location

United States

Company Website

www.cisco.com/c/en/us/products/security/registered-envelope-service/index.html

Company Facts

Organization Name

Aster Mail

Date Founded

2025

Company Location

United States

Company Website

astermail.org

Categories and Features

Categories and Features

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