CounterMail Letterbox

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CounterMail:

About

CounterMail is a secure and easy to use online email service, designed to provide maximum security and privacy without any unnecessary complexity. You can access your email account at any time, from anywhere in the world. Your account will always be encrypted and anonymous. CounterMail's encryption works automatically and transparently, it requires no specialized computer skills or knowledge. If you are comfortable using services like Hotmail or Gmail, you will be comfortable using CounterMail's secure email! We are using a strong encryption protocol called OpenPGP, with 4096 bits encryption keys to protect your data. To the best of publicly available information, there is no known method which will allow a person or group to break OpenPGP:s encryption by cryptographic or computational means.
Letterbox:

About

Who reads your mails? With regular mails you, the receiver, all mail providers and maybe others can read them. With end-to-end encrypted mails only the sender and the receivers can read them. Our iOS-App Letterbox makes end-to-end encryption easy to use, is compatible with most mail providers and supports the standard encryption protocol OpenPGP. Letterbox is similar to common mail apps but indicates the security state of incoming and outgoing mails. We disinguish between a confidential and insecure mails. Letterbox is a free open-source mail client on iOS and part of an ongoing research project at the Freie Universität Berlin, Germany. Letterbox is still under development but you can soon use the app on your device with Apple's TestFlight app.
CounterMail:

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Supported
iPad Supported
Android Supported
Chromebook Not Supported
Letterbox:

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported
CounterMail:

Audience

Email provider solution for companies that provides security and privacy
Letterbox:

Audience

Users that need a secure encrypted email app for iOS
CounterMail:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
Letterbox:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
CounterMail:

API

Offers API Not Supported
Letterbox:

API

Offers API Not Supported
CounterMail:

Screenshots and Videos

Letterbox:

Screenshots and Videos

CounterMail:

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported
Letterbox:

Pricing

Free
Open source
Free Version Supported
Free Trial Not Supported
CounterMail:

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
Letterbox:

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
CounterMail:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
Letterbox:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
CounterMail:

Company Information

CounterMail
Sweden
countermail.com
Letterbox:

Company Information

Letterbox
Germany
letterbox-app.org
CounterMail:

Alternatives

Letterbox:

Alternatives

Proton Mail

Proton Mail

Proton AG
4.6 out of 5 stars
CounterMail:
Mailfence

Mailfence

4.8 out of 5 stars
Letterbox:
CounterMail:
Atomic Mail

Atomic Mail

4.6 out of 5 stars
Letterbox:
CounterMail:
Letterbox:
CounterMail:
Letterbox:
CounterMail:

Categories

Email Encryption Supported
Email Hosting Supported
Letterbox:

Categories

Email Clients Supported
Email Encryption Supported
CounterMail:

Integrations

No info available.
Letterbox:

Integrations

No info available.
CounterMail:
Claim CounterMail and update features and information
Claim CounterMail and update features and information
Letterbox:
Claim Letterbox and update features and information
Claim Letterbox and update features and information