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What is Proton Mail?
Proton Mail for Business offers a secure and professional email solution trusted by 50,000 organizations. Built with end-to-end encryption and protected by Swiss privacy laws, Proton Mail ensures your sensitive information is safe from unauthorized access and data leaks. Whether you're a small business or a large organization, you can ensure regulatory compliance, reinforce client trust, and keep your communications safe. Easily migrate your team from Google or Microsoft, use your own email domain for your communications, and manage your schedule with Proton Calendar — all in a user-friendly, privacy-focused platform.
What is K-9 Mail?
K-9 Mail is designed to meet the needs of both novice and seasoned users, offering an extensive range of features that appeal to all. Among its offerings is a customizable debug logging option, which can be activated by users to help diagnose problems and errors effectively. As an open-source initiative that prioritizes user privacy, we consciously refrain from implementing a continuous logging mechanism that would transmit all device activity to a centralized server. While such a feature could make troubleshooting easier, it would come with high server maintenance costs and compromise user privacy. The importance of secure communication is becoming increasingly critical, and K-9 Mail is dedicated to providing accessible email security in multiple ways, ensuring both secure connections to email servers and the confidentiality of the emails themselves. Ultimately, our focus is on equipping users with tools that not only improve functionality but also protect their sensitive information, fostering a safer online environment for everyone. In this way, K-9 Mail stands as a robust solution in the realm of secure email communication.
Integrations Supported
All-in-One Messenger
Authy
Canary Mail
ClearMyInbox
Franz
Mail Backup X
Microsoft Outlook
Proton Calendar
Proton Meet
API Availability
API Availability
Pricing Information
$6.99/user/month
Mail Business plans include an up to 13% offer:
Mail Essentials at $6.99/month/user billed annually.
Workspace Standard at $12.99/month/user billed annually.
Workspace Premium at $19.99/month/user billed annually.
Mail Essentials at $6.99/month/user billed annually.
Workspace Standard at $12.99/month/user billed annually.
Workspace Premium at $19.99/month/user billed annually.
Free Trial Offered?
Pricing Information
Pricing not provided
Supported Platforms
SaaS
Android
iPhone
iPad
Windows
Mac
Linux
Supported Platforms
Android
Customer Service / Support
24 Hour Support
Web-Based Support
Customer Service / Support
Web-Based Support
Training Options
Documentation Hub
Training Options
Documentation Hub
Company Facts
Organization Name
Proton AG
Date Founded
2014
Company Location
Switzerland
Company Website
proton.me/business/mail
Company Facts
Organization Name
K-9 Mail
Date Founded
2008
Company Website
k9mail.app/
Categories and Features
Calendar
Calendar Sync
Collaboration Tools
Multi-Device Support
Reminders
Scheduling
Task Manaagement
Email Clients
Not specified
Email Encryption
Not specified
Email Hosting
Not specified
Email Management
Data Recovery
Email Archiving
Response Management
Signature Management
Spam Blocker
Encryption
Drag & Drop UI
Email Encryption
Encryption Key Management
Endpoint Encryption
File Encryption
Public Key Cryptography
Categories and Features
Email Clients
Not specified
