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Atomic Mail

Encrypted email service with aliases, seed-phrase recovery and AI tools for writing, summarising and translating.

Atomic Mail is a private email service that encrypts messages end to end and stores them with zero-access encryption. Atomic Mail adds aliases, password-protected messages and, on the Plus plan, AI tools that write, summarise, translate and proofread emails. Atomic Mail is used by creating a free atomicmail.io address on the web, desktop or mobile.

Best for People who want an encrypted mailbox that can be opened without a phone number, plus optional AI help with drafting and reading mail.

Atomic Mail website home page
Screenshot of atomicmail.io, captured 9 Oct 2026
Listed in
Email
Platforms
Web, iOS, Android, Windows, macOS
Pricing model
Freemium
Free plan
Yes
Made by
AtomicMail Systems OÜ
Added

Last verified: . Information taken from atomicmail.io.

What is Atomic Mail?

Atomic Mail is an email provider centred on privacy. Messages are protected with end-to-end encryption and are decrypted only on the user's device; the company says it does not hold private keys and cannot read stored mail. Accounts are created without a phone number and are recovered with a seed phrase instead of personal details. Aliases hide the real address, and a password-protected message can be read by recipients on any other mail service. A set of AI tools sits in the composer and reader: a writing assistant, grammar checker, summariser, translator, read-aloud, dictation and a security helper that scans drafts for sensitive content and suggests encryption. These AI tools belong to the paid Plus plan and cannot access encrypted content. Apps exist for Windows, macOS, iOS, Android and the web. The operator is AtomicMail Systems OÜ in Tallinn.

Key Features

End-to-end encryption

Keeps a message readable only by sender and recipient, with decryption happening on the device.

Email aliases

Creates alternative addresses that can be managed or switched off to keep the main one private.

Seed-phrase recovery

Restores account access with a recovery phrase rather than a phone number or ID.

Password-protected messages

Sends confidential mail that outside recipients unlock with a password.

AI writing tools

Drafts, rephrases and proofreads emails and adjusts tone in most languages.

Summarise, translate, listen

Condenses long threads, translates incoming or outgoing mail and reads messages aloud.

Use Cases

Private personal email
Keep everyday correspondence in a mailbox the provider cannot read.
Sign-ups and newsletters
Use an alias so the real address stays out of marketing lists.
Sending sensitive documents
Protect a contract or statement with a password for a recipient on another service.
Writing in a second language
Draft and translate messages with the built-in assistant.
Catching up on long threads
Read a summary or listen to mail while doing something else.

Things to know

AI tools are a paid feature
The AI suite is part of the Plus plan and is not included in the free account.
AI cannot read encrypted mail
The site states that the AI tools have no access to encrypted content.
Recovery depends on the seed phrase
Because no personal data is collected, the seed phrase is the way to regain access and must be kept safe.
Roadmap items
Dark mode and an IMAP encryption bridge are listed among upcoming updates.

FAQs

What is Atomic Mail?

Atomic Mail is an email provider focused on security and privacy, with built-in encryption and optional AI tools.

Is Atomic Mail free?

Yes. Atomic Mail says the core mailbox, end-to-end encryption included, costs nothing and will stay that way; a paid Plus plan adds extra privacy tools and the AI suite.

How much does Atomic Mail cost?

Atomic Mail has a Free plan, a Plus plan and business plans named Starter and Standard. Check the official pricing page for the currency and current figures.

What AI features does Atomic Mail have?

Atomic Mail's Plus plan includes a writing assistant, summariser, security helper, translator, grammar checker and text-to-voice. These tools cannot access encrypted content.

Does Atomic Mail work on mobile?

Yes. Atomic Mail has apps for iOS and Android as well as Windows, macOS and a web app.

How many aliases does Atomic Mail allow?

Atomic Mail allows up to 10 aliases on the Free plan and up to 15 on Plus.

Who makes Atomic Mail?

Atomic Mail is operated by AtomicMail Systems OÜ, a company registered in Tallinn, Estonia.

Who it's for

  • Privacy-conscious users
  • Professionals
  • Freelancers
  • Small teams
  • Crypto users

Tagsencrypted emailemail aliasesAI writing assistantprivacyend-to-end encryption

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