Zero-signup encrypted mailbox — no email, no phone, no captcha. Browser-side OpenPGP for outbound message bodies; server sees inbound SMTP plaintext like every non-fully-E2E provider. Full XMR payment support (6 confs). Onion mirror advertised.
fees Free (100 MB) · Pro $4.25–$4.99/mo · XMR + BTC + 18 other assets
Swiss-based encrypted email. Free tier; paid plans accept BTC.
fees Free tier 1 GB · paid €4–9/mo · BTC for paid · email recovery optional but useful
Dutch privacy-focused email. Paid only, accepts BTC.
fees €60/yr · BTC + card · founded by StartPage team
German-based encrypted email. Open-source clients.
fees Free tier 1 GB · paid €3–9/mo · BTC/PaySafeCard accepted