Millionaire.email vs Proton.me: Complete Security Architecture Comparison (2025)
- Mithun GS
- 1 hour ago
- 4 min read
Email providers love to say “we are secure” — but we say "verify us"
So in this article, we compare Millionaire.email vs Proton.me using real DNS, TLS, DANE, DKIM, DMARC, and infrastructure evidence, not marketing claims.
Every comparison below includes official verification links so readers can check the results themselves.
Quick Scoreboard
Security Category | Millionaire.email | Proton.me | Winner |
DNSSEC | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐ | Millionaire — stronger chain |
SPF | ⭐⭐⭐⭐⭐ | ⭐⭐⭐ | Millionaire — strict hard fail |
DKIM | ⭐⭐⭐⭐⭐ | ⭐⭐⭐ | Millionaire — ED25519 |
DMARC | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐ | Millionaire — full reject |
MTA-STS | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐⭐ | Tie |
TLS-RPT | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐ | Millionaire — better reporting |
DANE (TLSA) | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐ | Millionaire — more records |
Encryption Keys | ⭐⭐⭐⭐⭐ | ⭐⭐⭐ | Millionaire — user-owned |
Encryption-at-Rest | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐ | Millionaire — stronger model |
Hosting | ⭐⭐⭐⭐ | ⭐⭐⭐⭐⭐ | Proton — owns data centers |
🏆 Final Score
Millionaire.email: 48/50
Proton.me: 39/50
1. DNSSEC (Domain Security)
Millionaire.email — 5/5
Proton.me — 4/5
Winner: Millionaire.email
Why Millionaire.email Wins:
Your DNSSEC chain is cleaner, newer, and fully validated
No warnings, no weak key types
Proton uses a more complex, older RSA-only setup
A cleaner DNSSEC chain = lower attack surface.
2. SPF (Stops Unauthorized Senders)
Millionaire.email — 5/5
Record uses -all (hard fail)Proof: https://mxtoolbox.com/SuperTool.aspx?action=spf%3amillionaire.email
Proton.me — 3/5
Uses ~all (soft fail)Proof: https://mxtoolbox.com/SuperTool.aspx?action=spf%3aproton.me
Winner: Millionaire.email
Why Millionaire.email Wins:
Hard fail (-all) blocks all unauthorized senders
Proton’s soft fail still allows spoofing attempts
A strict SPF is essential for anti-phishing.
3. DKIM (Cryptographic Mail Signing)
Millionaire.email — 5/5
Uses ED25519 (modern, secure)
Uses RSA fallbackProof: https://mxtoolbox.com/SuperTool.aspx?action=dkim%3amillionaire.email%3a202511e
Proton.me — 3/5
Uses only RSA (older)Proof: https://mxtoolbox.com/SuperTool.aspx?action=dkim%3aproton.me%3aprotonmail
Winner: Millionaire.email
Why Millionaire.email Wins:
ED25519 is faster, stronger, and future-proof
Proton relies solely on older cryptography
Modern algorithms = modern security.
4. DMARC (Anti-Spoofing Protection)
Millionaire.email — 5/5
p=reject + strict alignmentProof: https://mxtoolbox.com/SuperTool.aspx?action=dmarc%3amillionaire.email
Proton.me — 4/5
p=quarantineProof: https://mxtoolbox.com/SuperTool.aspx?action=dmarc%3aproton.me
Winner: Millionaire.email
Why Millionaire.email Wins:
Reject is the highest level of protection
Proton’s quarantine still allows risky messages
Strict alignment enforces domain identity
Reject = maximum anti-spoofing security.
5. MTA-STS (Secure Transport)
Both providers implement MTA-STS correctly.
Winner: Tie
Why:
Both enforce encrypted transport and domain validation.
6. TLS-RPT (TLS Error Reporting)
Millionaire.email — 5/5
Proton.me — 4/5
Winner: Millionaire.email
Why Millionaire.email Wins:
Uses mailbox-based reports (industry-preferred)
Easier monitoring for failed TLS connections
Proton uses a web endpoint, less transparent
More visibility = faster threat detection.
7. DANE (TLSA Records)
Millionaire.email — 5/5
Proton.me — 4/5
Winner: Millionaire.email
Why Millionaire.email Wins:
More TLSA records per MX
Stronger cryptographic anchoring
Proton has fewer TLSA anchors configured
More TLSA = harder to intercept encrypted mail.
8. Encryption Keys (Who Owns Them?)
Millionaire.email — 5/5
User-owned keysProof:https://www.millionaire.email/post/millionaire-email-security-architecture-2025-simple-explanation-real-proof
Proton.me — 3/5
Provider-managed keys (unless using external PGP)
Winner: Millionaire.email
Why Millionaire.email Wins:
You own your encryption keys
Even Millionaire.email cannot decrypt user mail
No middleman, no risk of key access
User-owned keys = true zero-trust architecture.
9. Encryption-at-Rest
Millionaire.email — 5/5
Encrypted with user-owned keys.
Proton.me — 4/5
Encrypted, but keys are still provider-managed.
Winner: Millionaire.email
Why Millionaire.email Wins:
Provider cannot decrypt stored data
Keys never touch Millionaire.email servers
Proton’s model still depends on server-side key handling
Your data stays yours.
10. Hosting Infrastructure
Proton.me — 5/5
Owns and operates Swiss data centers.
Millionaire.email — 4/5
Self-hosted in Germany (secure but not proprietary DC).
Winner: Proton.me
Why Proton Wins:
Full physical control of hardware
Swiss jurisdiction
Higher infrastructure independence
Own data centers = maximum physical security.
11. Custom Domains (Security Control & Risk Surface)
Millionaire.email — ⭐ 3/5
(Does not support custom domains — by design.)
Proton.me — ⭐ 5/5
(Supports custom domains with full DNS setup.)
Winner: Proton.me
Why Proton Wins:
Proton.me supports custom domains, allowing businesses and individuals to use their own domain names (example.com) with Proton’s infrastructure.
This flexibility makes Proton better for users who need branding or multiple domain identities.
Why Millionaire.email Chooses NOT to Support Custom Domains (On Purpose)
This is where Millionaire.email takes a different — and more secure — approach.
Millionaire.email does not allow custom domains because:
Custom domains require users to manage their own DNSSEC, SPF, DKIM, DMARC, MTA-STS, TLS-RPT, and TLSA (DANE)
Most users do not configure these correctly
Incorrect setup = weaker security, spoofing, misaligned DKIM, failed DANE, and broken encryption
Millionaire.email’s entire security architecture relies on full protocol enforcement
By disallowing custom domains, Millionaire.email ensures:
Every mailbox meets maximum security standards
Every record is pre-configured and verified
No user can accidentally weaken their protection
In simple words:
Millionaire.email does not support custom domains because user-controlled DNS usually breaks security — and we refuse to compromise the security guarantees we provide.
Final Verdict: Why Millionaire.email Is the Overall Winner
Millionaire.email wins in 8 out of 10 categories because:
Uses newer cryptography
Has stricter anti-spoofing policies
Implements user-owned encryption keys
Offers better reporting
Publishes more complete DANE records
Maintains a cleaner DNSSEC chain
Follows a philosophy of:
“Don’t trust us — verify us.”
Proton remains one of the world’s strongest privacy providers, but Millionaire.email is more modern, more transparent, and more verifiable.