主流端對端加密 email。免費方案可匿名註冊，付費方案接受加密貨幣。
Free tier 1 GB · paid €4–9/mo · BTC for paid · email recovery optional but useful
標籤 · PGP SUPPORTED
跨分類列出帶有「PGP SUPPORTED」標籤的所有服務商。標籤定義見 詞彙表。
Email 別名服務 — 每個服務一個別名，洩漏可獨立關閉。
Free 10 aliases · paid $30/yr unlimited · BTC accepted · self-host option
無 KYC 的 email 註冊。在多數無 KYC 服務的註冊頁能被接受。
Free tier 1 GB · paid €3–9/mo · BTC/PaySafeCard accepted
walls.rip 提供的桌面 Ghost Chat — 用 XMR/USDT 付款，無需帳戶。
Free · MacOS/Win/Linux/Web · PGP over Nostr
Offline, file-based password vault. No cloud, no account.
Free · GPLv3
Hardware FIDO2 / U2F / PIV / OpenPGP token. Phishing-resistant 2FA across every account that supports it.
$50 one-time · physical · WebAuthn/U2F/OpenPGP
Privacy-respecting community service — email + nextcloud + matrix.
Free · donation-supported · no payment required
Belgian E2E-encrypted mail with native OpenPGP keyring. Accepts BTC, custom domains supported.
Free + paid from €2.50/mo · BTC · BE jurisdiction
Long-running activist email collective. Invitation-only.
Free · donation-supported · requires existing-member invite
Dutch privacy-focused email. Paid only, accepts BTC.
€60/yr · BTC + card · founded by StartPage team