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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 KMail?
KMail is the email client integrated into Kontact, the comprehensive personal information management suite offered by KDE. The application comes with default settings that emphasize core functionalities while maintaining strong security and privacy protocols. Users benefit from extensive end-to-end encryption options, including built-in support for OpenPGP and S/MIME, along with an intuitive setup wizard that simplifies the process of encryption and key generation. In addition, KMail provides transport encryption via SSL/TLS and supports diverse authentication mechanisms, such as GSSAPI (Kerberos) and OAuth2. The program also ensures robust protection for HTML content, effectively blocking any hidden external references in emails that might jeopardize user privacy or expose sensitive data. To enhance security further, KMail includes a phishing protection feature that warns users about potentially harmful links found in their emails. Additionally, it offers spam protection capabilities, allowing for seamless integration with well-known local spam filtering tools like SpamAssassin or Bogofilter, which helps users efficiently handle unwanted messages. With its array of functionalities, KMail creates a secure and user-centric email management experience that caters to the needs of its users. The combination of sophisticated security measures and user-friendly features makes KMail a preferred choice for those seeking a reliable email client.
Integrations Supported
All-in-One Messenger
Authy
ClearMyInbox
Franz
Mail Backup X
Microsoft Outlook
Postbox
Proton Calendar
API Availability
API Availability
Has API
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
Free Trial Offered?
Supported Platforms
SaaS
Android
iPhone
iPad
Windows
Mac
Linux
Supported Platforms
Linux
Customer Service / Support
24 Hour Support
Web-Based Support
Customer Service / Support
Web-Based Support
Training Options
Documentation Hub
Training Options
Documentation Hub
Webinars
Company Facts
Organization Name
Proton AG
Date Founded
2014
Company Location
Switzerland
Company Website
proton.me/business/mail
Company Facts
Organization Name
KDE
Date Founded
1996
Company Location
Germany
Company Website
kontact.kde.org/components/kmail.html
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