What is Canary Mail?

Content last verified May 4, 2026 · by the AI Tools Set Research Team

Canary Mail is a secure email client for Mac, iOS, Windows, and Android with an AI assistant (Sidekick) that writes, summarizes, and prioritizes email, plus encryption and read receipts. It blends privacy with AI productivity.

Privacy-conscious professionals use it to compose and summarize emails with AI, secure messages with encryption, and keep a focused inbox across all their devices.

Key Features of Canary Mail

Copilot writing: Draft and refine emails with AI.
Encryption: PGP and SecureSend for sensitive mail.
Read receipts and tracking: Know when mail is opened.

Use Cases for Canary Mail

Keep email private
Draft with AI safely
Encrypt sensitive threads
Track important sends

Pros & Cons

Pros

✓

Privacy-first stance

✓

Cross-platform support

✓

Capable free tier

Cons

✗

Smaller team behind it

✗

Some sync quirks reported

Pricing

Free

$0 /mo

✓Basic client

✓Limited AI

✓Core features