{
  "slug": "secria-mail",
  "name": "Secria Mail",
  "maker": "Secria",
  "category": "email",
  "ours": true,
  "verdict": "y",
  "answer": "Yes. Mail between Secria users, and all mail stored in your mailbox, is sealed with a post-quantum key exchange.",
  "title": "Is Secria Mail encrypted? Graded by the same rules",
  "description": "Mail between Secria users, and all mail stored in your mailbox, is sealed with a post-quantum key exchange. Graded by the same rules as every app.",
  "parts": [
    {
      "key": "mail",
      "status": "y",
      "words": "Only you and the people you write to",
      "note": "Mail between Secria users, and all mail stored in your mailbox, is sealed with a post-quantum key exchange.",
      "sources": [
        1,
        2
      ],
      "label": "Between its own users"
    },
    {
      "key": "mailout",
      "status": "p",
      "words": "Partly",
      "note": "Mail from other providers passes our spam filter as it arrives, then it's locked to your key.",
      "sources": [
        1
      ],
      "label": "To other services"
    },
    {
      "key": "tray",
      "status": "y",
      "words": "Only you",
      "note": "Your mailbox is stored with zero-access encryption, locked with a key made from your password on your device.",
      "sources": [
        1,
        2
      ],
      "label": "Stored mailbox"
    },
    {
      "key": "pq",
      "status": "y",
      "words": "Yes",
      "note": "Mail between Secria users, and all mail stored in your mailbox, is sealed with a post-quantum key exchange.",
      "sources": [
        1,
        2
      ],
      "label": "Post-quantum"
    }
  ],
  "extra_parts": [],
  "keys": "Locked with a key made from your password, on your device.",
  "can_see": null,
  "business": null,
  "fix": null,
  "fix_line": null,
  "sections": [
    {
      "id": "is-secria-mail-end-to-end-encrypted",
      "q": "Is Secria Mail end-to-end encrypted?",
      "a": "Mail between Secria users, and all mail stored in your mailbox, is sealed with a post-quantum key exchange [1]. Your mailbox is stored with zero-access encryption, locked with a key made from your password on your device [1]."
    },
    {
      "id": "what-about-mail-from-other-providers",
      "q": "What about mail from Gmail or Outlook?",
      "a": "We don't read your mail, show ads or build a profile. Mail from other providers passes our spam filter as it arrives, then it's locked to your key [1]. That's why the table grades mail to and from other services as Partly, the same way it grades every service that seals mail between its own users."
    },
    {
      "id": "is-secria-mail-quantum-safe",
      "q": "Is Secria Mail quantum safe?",
      "a": "Mail between Secria users, and all mail stored in your mailbox, is sealed with a post-quantum key exchange [1]. The Mail whitepaper describes how it works [2]."
    }
  ],
  "sources": [
    {
      "title": "Secria security: post-quantum and zero-access encryption",
      "publisher": "Secria",
      "url": "https://secria.me/security/",
      "read": "2026-10-25"
    },
    {
      "title": "Secria whitepapers: how our encryption works",
      "publisher": "Secria",
      "url": "https://secria.me/whitepaper/",
      "read": "2026-10-25"
    }
  ],
  "changes": [
    {
      "date": "2026-10-25",
      "text": "First published."
    }
  ],
  "related": [
    "proton-mail",
    "gmail",
    "outlook",
    "icloud-mail"
  ],
  "url": "https://isitencrypted.com/secria-mail/",
  "checked": "2026-10-25"
}