Compare

CeyMail vs Proton Mail for Business

Proton Mail is the gold standard for encrypted cloud email. But true privacy means your data never leaves your infrastructure. CeyMail gives you complete data sovereignty on your own server with AI-powered security — at a lower cost than Proton’s business plans.

80% cheaper for 50 usersData on your serverAI log analysisNo cloud dependencyOutbound screening

Feature Comparison

Side by side

CeyMail
Proton Mail for Business
Privacy & Security
Data location
Your server
Proton’s servers (Switzerland)
End-to-end encryption
Zero-access encryption at rest
Full disk encryption (your choice)
AI spam filtering
Cloud + Local AI
PhishGuard
AI log analysis
Business+
Outbound email screening
DKIM/SPF/DMARC
Custom spam rules
Setup & Management
Setup time
5 minutes
Minutes (cloud)
Self-hosted option
Web dashboard
Custom domain email
Standard IMAP/SMTP
Via Proton Bridge
Pricing & Lock-in
Cost (50 users/year)
~$830
$4,194
Per-user pricing
Flat rate
$6.99/user/mo
Vendor lock-in
None
Moderate
Standard email clients
Any IMAP client
Requires Proton Bridge

Pricing

Save $3,364/year

Based on 50 users, annual billing. CeyMail Pro + a $29/mo VPS.

CeyMail

$830/yr

$49/mo (Pro) + VPS

Pro plan $490/yr + $29/mo VPS hosting

Proton Mail for Business

$4,194/yr

$6.99/user/mo (Mail Essentials)

Annual billing

80% less expensive with CeyMail

FAQ

Common questions

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