Mac mail apps that respect your privacy: which block tracking, which keep AI on your Mac, which encrypt. Dusk, Apple Mail, Canary, Thunderbird and Proton Mail compared.
A private email client should do three things: stop senders tracking you, keep your mail off servers that don't need it, and, if it has AI, not send your inbox to a cloud model. Here are the best options for the Mac, and what each one protects.
What "private" means for a mail app
- Tracking protection. Blocks the hidden images that tell senders when you open an email.
- No middleman. Talks to your mail provider directly, rather than copying your mailbox to its own servers.
- Private AI. If it summarises or writes, the AI runs on your device.
- No analytics. Doesn't report what you do in the app.
- Encryption. For some people, end-to-end encryption like PGP matters too.
The best private email clients for Mac
| App | Tracking blocked | AI | Encryption | Price |
|---|
| Dusk | Always, every remote image | On your Mac only | Provider's standard | $49 once |
| Apple Mail | With Mail Privacy Protection | Apple Intelligence (Mac or Private Cloud Compute) | S/MIME | Free |
| Canary Mail | Yes | Sorting on device, writing in the cloud | PGP (Pro+) | Free to $100 a year |
| Thunderbird | Remote content off by default | None built in | OpenPGP | Free |
| Proton Mail | Yes | Varies by plan | End-to-end (Proton accounts) | Paid plans |
1. Dusk
Dusk never loads anything from a sender's servers. Every remote image, font and tracking pixel is blocked, and emails are shown with scripts turned off. There's no Dusk server between you and Gmail or iCloud, and there's no analytics. Its AI, which sorts and sums up every email and drafts replies, runs only on Apple's on-device model, with no cloud fallback. Likely phishing goes to a separate Screened split. $49 once.
2. Apple Mail
Free and private by default in many ways. Turn on Protect Mail Activity (Mail, Settings, Privacy) to hide your IP address and load remote content privately. Apple Intelligence runs on your Mac, with some requests handled by Apple's Private Cloud Compute.
3. Canary Mail
Built around security, with PGP encryption on its Pro+ plan. Its prioritisation runs on your device, while its AI Copilot for writing and summaries uses cloud models from providers such as OpenAI and Anthropic.
4. Thunderbird
Free and open source, with OpenPGP encryption built in and remote content blocked by default. No AI, and it doesn't feel like a Mac app, but you can inspect every line of its code.
5. Proton Mail
End-to-end encrypted email, with a desktop app for paid plans. The catch: it's for Proton accounts, so it replaces Gmail or iCloud rather than working with them.
Which should you choose?
- You use Gmail or iCloud and want AI without giving up privacy: Dusk.
- You want free: Apple Mail with Protect Mail Activity on.
- You need PGP: Canary Mail or Thunderbird.
- You want to leave Gmail entirely: Proton Mail.
Related: how to stop email tracking on a Mac and is it safe to give an AI app your inbox?
Questions
- What is the most private email app for Mac?
- For Gmail and iCloud users who want AI, Dusk: it blocks all tracking, has no server in the middle, and runs its AI only on your Mac. For end-to-end encryption, Proton Mail with a Proton account.
- Does Apple Mail protect my privacy?
- Yes, especially with Protect Mail Activity turned on, which hides your IP address and loads remote content privately.
- Are AI email apps private?
- It depends where the AI runs. Most send your email to cloud models. Dusk runs its AI only on your Mac.
Fast, private email for $49 once
Pre-orders are open at the launch price. One payment covers the Mac app and the AI, and the iPhone app when it arrives.
Pre-order Dusk