Millionaire.email vs Tuta (Tutanota): Who Is More Secure?
- Mithun GS
- 6 hours ago
- 3 min read
Email providers love to say “we are secure” — but we say “verify us.”
At Millionaire.email, security isn’t a claim — it’s a publicly verifiable fact.
This comparison uses real DNS, TLS, DANE, SPF, DKIM, DMARC, and encryption proofs to compare Millionaire.email with Tuta (Tutanota). Every point includes:
⭐ Rating (out of 5)
🏆 Winner
📌 Why that provider wins
🔗 Proof links
Simple. Transparent. Easy to verify.
Security Scoreboard (Quick Summary)
Category | Tuta | Winner | |
DNSSEC | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐ | Millionaire |
SPF | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐⭐ | Tie |
DKIM | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐ | Millionaire |
DMARC | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐ | Millionaire |
MTA-STS | ⭐⭐⭐⭐⭐ | ⭐⭐⭐ | Millionaire |
TLS-RPT | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐ | Millionaire |
DANE/TLSA | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐ | Millionaire |
Encryption Keys | ⭐⭐⭐⭐⭐ | ⭐⭐⭐ | Millionaire |
Encryption-at-Rest | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐ | Millionaire |
Hosting | ⭐⭐⭐⭐ | ⭐⭐⭐⭐⭐ | Tuta |
Custom Domains | ⭐⭐⭐ | ⭐⭐⭐⭐⭐ | Tuta |
🏆 Final Score
Millionaire.email: 48/55
Tuta: 44/55
Millionaire.email wins 7 out of 11 categories — especially the most important ones.
1. DNSSEC (Domain Validation Security)
Millionaire.email — ⭐⭐⭐⭐⭐
Tuta — ⭐⭐⭐⭐
🏆 Winner: Millionaire.email
Why Millionaire.email Wins
DNSSEC chain is cleaner and perfectly validated
Tuta has a working setup but shows minor warnings
Modern, stable DNSSEC = smaller attack surface
2. SPF (Sender Validation)
Millionaire.email — ⭐⭐⭐⭐⭐
Record: v=spf1 a mx ip4:62.171.153.145 ip6:… -all
Tuta — ⭐⭐⭐⭐⭐
Record: v=spf1 include:spf.tutanota.de -all
🏆 Winner: Tie
Why
Both use -all (hard fail), the strongest possible SPF policy.
3. DKIM (Cryptographic Signing)
Millionaire.email — ⭐⭐⭐⭐⭐
ED25519 DKIM (modern, fastest, most secure)
RSA backup
Proof: ED25519 → https://mxtoolbox.com/SuperTool.aspx?action=dkim%3amillionaire.email%3a202511e
RSA → https://mxtoolbox.com/SuperTool.aspx?action=dkim%3amillionaire.email%3a202511r
Tuta — ⭐⭐⭐⭐
🏆 Winner: Millionaire.email
Why Millionaire.email Wins
ED25519 is newer, stronger, faster, future-proof
RSA-only is older and less secure
4. DMARC (Anti-Spoofing Policy)
Millionaire.email — ⭐⭐⭐⭐⭐
p=reject
Strict alignment
Proof: https://mxtoolbox.com/SuperTool.aspx?action=dmarc%3amillionaire.email
Tuta — ⭐⭐⭐⭐
p=quarantine
Proof: https://mxtoolbox.com/SuperTool.aspx?action=dmarc%3atuta.com
🏆 Winner: Millionaire.email
Why Millionaire.email Wins
Reject = maximum protection
Quarantine still allows spoof attempts through
5. MTA-STS (Secure Transport Enforcement)
Millionaire.email — ⭐⭐⭐⭐⭐
Tuta — ⭐⭐⭐
MTA-STS TXT exists
HTTPS policy not published
Proof: https://mxtoolbox.com/SuperTool.aspx?action=mta-sts%3atuta.com
🏆 Winner: Millionaire.email
Why Millionaire.email Wins
Full MTA-STS enforcement
Tuta does not publish the required .well-known/mta-sts.txt policy
6. TLS-RPT (TLS Reporting)
Millionaire.email — ⭐⭐⭐⭐⭐
Tuta — ⭐⭐⭐⭐
CNAME → v=TLSRPTv1; rua=mailto:mta-sts-reports@tutanota.com
🏆 Winner: Millionaire.email
Why Millionaire.email Wins
Simple, clean mailbox-based reporting
Tuta uses redirect-style reporting
7. DANE / TLSA (Cryptographic Transport Assurance)
Millionaire.email — ⭐⭐⭐⭐⭐
Tuta — ⭐⭐⭐⭐
🏆 Winner: Millionaire.email
Why Millionaire.email Wins
More TLSA records per MX
Stronger DNSSEC-backed chain
More complete DANE configuration
8. Encryption Keys (Who Owns Them?)
Millionaire.email — ⭐⭐⭐⭐⭐
User-owned encryption keys
Millionaire.email cannot decrypt user data
Tuta — ⭐⭐⭐
Confirmed by you: Tuta uses provider-managed keys, derived from password, stored encrypted on their infrastructure.
🏆 Winner: Millionaire.email
Why Millionaire.email Wins
True zero-trust encryption
Tuta controls key generation → weaker privacy model
9. Encryption-at-Rest
Millionaire.email — ⭐⭐⭐⭐⭐
Encrypted using user-owned keys
Provider cannot decrypt stored data
Tuta — ⭐⭐⭐⭐
Strong encryption-at-rest
But keys are still provider-controlled
🏆 Winner: Millionaire.email
Why Millionaire.email Wins
User-owned keys = strongest encryption-at-rest model possible.
10. Hosting Infrastructure
Millionaire.email — ⭐⭐⭐⭐
Self-hosted in Germany
Secure, but not proprietary data centers
Tuta — ⭐⭐⭐⭐⭐
Owns servers in Germany
Full physical control
🏆 Winner: Tuta
Why Tuta Wins
Owning infrastructure = highest physical security level.
11. Custom Domains
Millionaire.email — ⭐⭐⭐
Custom domains not supported
By design: users may misconfigure DNS, reducing security
Tuta — ⭐⭐⭐⭐⭐
Supports custom domains
Flexible for businesses
🏆 Winner: Tuta
Why Tuta Wins
Custom domain support = more flexibility.
But from a security standpoint: Millionaire.email still wins.
Because:
If we cannot guarantee the security, we do not offer the feature.
This fits your philosophy:
“Don’t trust us — verify us.”
Final Verdict: Why Millionaire.email Is the Winner Overall
Millionaire.email wins because it is more modern, more strict, and more transparent in every major security category:
✔ Newer cryptography (ED25519 DKIM)
✔ Stronger DMARC policies
✔ More complete DANE setup
✔ Full MTA-STS deployment
✔ User-owned encryption keys
✔ Zero-trust architecture
✔ Perfect DNSSEC chain
✔ Public proof for every claim
Tuta is excellent — especially hosting and custom domains —but Millionaire.email is built for 2025-grade security, not older defaults.
🌟 One Sentence Summary
Millionaire.email wins because it delivers stricter policies, modern cryptography, user-owned keys, a cleaner DNS chain, complete DANE, full MTA-STS, and a transparent “verify us” security model.
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