#threat-models
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Free Encrypted Email Without a Phone Number (2026)
Tuta allows phone-free signup; Proton may ask for email or SMS verification. Compare both free plans, privacy limits, and paid upgrade paths.
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Do You Actually Need Encrypted Email? A Plain-Language Guide
Encrypted email isn't for everyone. Here's how to figure out whether switching is worth it — without paranoia or marketing fluff.
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What Email Metadata Leaks (Even With End-to-End Encryption)
End-to-end encryption protects message bodies, not the envelope. Here's exactly what metadata leaks from encrypted email and what you can do about it.