Proton Mail
Secure business email and calendar app.
Overview
Proton Mail is a secure email provider that offers end-to-end encryption for all communications. Founded by scientists at CERN, it is headquartered in Switzerland, benefiting from strong privacy laws. It uses open-source cryptography and a zero-access architecture, meaning not even Proton can decrypt and read user emails. The business solution offers custom domains, administrative controls, and additional security features for organizations.
✨ Key Features
- End-to-end encryption
- Zero-access architecture
- Self-destructing messages
- Custom domain names
- Encrypted contacts and calendar
- Open-source and independently audited
- Phishing protection
🎯 Key Differentiators
- Based in Switzerland with strong privacy laws
- Comprehensive ecosystem (VPN, Calendar, Drive)
- Zero-access architecture ensures user data cannot be read by the provider
Unique Value: Proton Mail offers an integrated, easy-to-use, and highly secure ecosystem for business communications, protected by Swiss privacy laws.
🎯 Use Cases (5)
✅ Best For
- Healthcare providers needing HIPAA compliance
- Legal firms protecting attorney-client privilege
- Businesses needing to comply with GDPR data protection standards
💡 Check With Vendor
Verify these considerations match your specific requirements:
- Organizations requiring deep integration with Microsoft's productivity suite (e.g., Teams, SharePoint)
🏆 Alternatives
Unlike mainstream providers like Google and Microsoft that may scan email content, Proton Mail offers a zero-access architecture, guaranteeing user privacy.
💻 Platforms
✅ Offline Mode Available
🔌 Integrations
🛟 Support Options
- ✓ Email Support
- ✓ Dedicated Support (Business plans tier)
🔒 Compliance & Security
💰 Pricing
Free tier: 1 GB total storage, 150 messages per day
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