Proton Mail — Encrypted Email Nobody Can Read But You
Zero-access encryption under Swiss law. Not Google. Not Microsoft. Not even Proton can read your email. Custom domain for your business.
- End-to-end encrypted — mathematically unreadable by anyone but you
- Swiss FADP — stronger data protection than GDPR
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Your Email Provider Reads Your Email. Proton Cannot.
Google and Microsoft can technically read every email in your inbox. They use this access for ad targeting, compliance with government data requests, and building user profiles. Proton Mail is architecturally different — your email is encrypted on your device before it leaves, using cryptographic keys only you hold. Proton's servers store only encrypted ciphertext. No key. No access. No exceptions.
- ✗Email stored unencrypted on vendor servers
- ✗Vendor can read your email
- ✗Subject to US CLOUD Act requests
- ✗Ad profiling from email content
- ✗Law enforcement access via court order
- Email encrypted before leaving your device
- Proton cannot read your email — ever
- Swiss law — strongest privacy globally
- No ads. No profiling. No data mining.
- Even under legal order: only ciphertext
End-to-End Encryption
All messages are encrypted using OpenPGP with keys generated on your device. Messages are decrypted locally — Proton's servers never see plaintext.
Zero-Access Architecture
Stored emails are encrypted with your public key. Only your private key (which never leaves your device) can decrypt them. Proton has no technical means to access your data.
Swiss Privacy Law (FADP)
Proton operates under Swiss Federal Act on Data Protection — stricter than GDPR. Switzerland is not subject to US CLOUD Act, EU data-sharing agreements, or Indian data access requests.
Password-Protected Emails
Send encrypted emails to non-Proton users with a password. The recipient receives a link and must enter the password to decrypt and read the message.
Open Source & Audited
Proton Mail is fully open source — apps and cryptographic libraries are publicly audited by independent security firms. The encryption claims are verifiable, not a marketing promise.
500 GB Storage + Custom Domain
Business plans include up to 500 GB per user, custom domain support, calendar, contacts, and Proton Drive. Full productivity suite with privacy built in.
Proton Mail for Business
Contact Cloudfy Systems for exact INR pricing with GST invoice. All plans include custom domain, end-to-end encryption, and Proton suite access.
Mail Essentials
Core encrypted email for businesses that need custom domain and E2E encryption.
Pricing
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INR · GST invoice · No hidden fees
- Custom domain email
- 15 GB storage per user
- End-to-end encryption
- Proton Calendar & Contacts
- Admin console
- Priority support
Proton Business
Full encrypted workspace — email, calendar, drive, and VPN in one subscription.
Pricing
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INR · GST invoice · No hidden fees
- Everything in Essentials
- 500 GB storage per user
- Proton Drive (cloud storage)
- Proton VPN included
- Multiple custom domains
- Advanced admin controls
Enterprise
Unlimited scale with dedicated infrastructure and enterprise SLAs.
Pricing
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INR · GST invoice · No hidden fees
- Everything in Business
- Custom storage limits
- Dedicated infrastructure
- SSO / SAML integration
- Custom retention policies
- Dedicated account manager
Who Uses Proton Mail for Business
Legal Firms
Attorney-client privilege requires email that cannot be accessed by any third party
Healthcare
Patient communications and medical records must remain private and HIPAA/DPDP compliant
Finance & CA
Client financial data, ITR filings, and audit communications need cryptographic protection
Research & IP
Proprietary research, patents in development, and NDAs require email that cannot be subpoenaed
Journalism & NGOs
Source protection and editorial communications require emails that are mathematically private
Government Adjacent
Contractors handling sensitive policy communications choose Swiss-governed infrastructure
IT & SaaS
Security-conscious technology companies that set the standard for their clients
Exporters
Businesses with international clients in privacy-regulated markets (EU, USA) build trust with Proton
Why Buy Proton Mail Through Cloudfy Systems?
Authorised Partner
Official Proton reseller in India — genuine licences with INR billing and GST invoice.
MX & DNS Setup
We configure your custom domain MX records, SPF, DKIM and DMARC — email delivers perfectly from day one.
Migration Support
Moving from Gmail, Google Workspace, or Microsoft 365 — we migrate email, contacts and calendar with zero gap.
Local India Support
INR pricing, GST invoice, and direct support from our Agra, UP team — no overseas helpdesk.
Frequently Asked Questions
Proton Mail uses end-to-end encryption with a zero-access architecture — your emails are encrypted on your device before they leave, using your own private key. Proton's servers only ever hold encrypted data. Even Proton's own staff cannot read your email. This is fundamentally different from Gmail and Outlook, where Google and Microsoft can technically access your email content for ads, compliance, or law enforcement requests.
Zero-access encryption means the service provider has zero ability to access your data, even if compelled by a court. Your data is encrypted with keys only you hold. With Proton Mail, even if Swiss authorities ordered Proton to hand over email data, Proton can only provide encrypted data that is mathematically unreadable without your private key.
Yes. Proton Mail for Business supports custom domains (e.g. yourname@yourcompany.com). You add your domain to Proton, update your MX records to point to Proton's mail servers, and configure SPF/DKIM/DMARC for proper email authentication. Cloudfy handles all of this as part of the onboarding process.
Proton Mail is headquartered in Geneva, Switzerland — governed by Swiss FADP (Federal Act on Data Protection), which provides privacy protections stronger than GDPR. Switzerland is recognised by the EU as providing adequate data protection. For Indian businesses under the DPDP Act (Digital Personal Data Protection Act 2023), Proton Mail's zero-access architecture ensures that no third party — including Proton — can access personal data stored in email.
Yes. Proton provides migration tools for moving from Gmail, Google Workspace, and Microsoft 365 to Proton Mail. Historical email is imported and encrypted on arrival. Cloudfy manages the migration — MX record cutover, contact and calendar migration, and user onboarding — with minimal disruption to your team.
Proton Mail for Business is priced per user per month (billed annually). Pricing varies by plan (Mail Essentials, Business, Enterprise) and user count. Contact Cloudfy Systems for an exact INR quote with GST invoice — we provide India-specific pricing and handle the complete setup.
Learn More
Proton Mail Business Pricing India 2026 — Plans, Features & Quote Guide
PartnerProton Mail Authorised Partner India — Buy from Cloudfy Systems
ComparisonProton Mail vs Google Workspace India — Which Email is Right for Your Business?
ComparisonProton Mail vs Microsoft 365 India — Privacy vs Productivity
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