EmailEngine
Headless email client for automating email interactions via HTTP API.
What’s new
Verified 4h ago## [2.78.0](https://github.com/postalsys/emailengine/compare/v2.77.0...v2.78.0) (2026-08-12)
### Features
* **accounts:** pin an account to an expected email identity ([a64bb60](https://github.com/postalsys/emailengine/commit/a64bb6009163bed0835cb3f8342e5d0ec20549b3)), closes [#626](https://github.com/postalsys/emailengine/issues/626)
* **admin-ui:** keep the access-token banner in view and make the reference nav usable on a phone ([a4bb55f](https://github.com/postalsys/emailengine/commit/a4bb55f7a416a74c65b50a0b69879b5b21915711))
* **admin:** mark the operation being read in the API reference sidebar ([700eab7](https://github.com/postalsys/emailengine/commit/700eab7716bec0362b73bf5e8f498be971071e7e))
### Bug Fixes
* **accounts:** let a wrong-account setup be retried instead of bouncing it back ([4cd6ac4](https://github.com/postalsys/emailengine/commit/4cd6ac4d0b935244accc55b1f9abb41cf906a2dc))
* **accounts:** remove the messages an account had queued when it is deleted ([ba6897f](https://github.com/postalsys/emailengine/commit/ba6897f4a5966a1a0dcddd7c514a3804e31591c4))
* **auth:** replace unmaintained speakeasy and base32.js with in-house implementations ([9abaaaa](https://g
Full release notes →
### Features
* **accounts:** pin an account to an expected email identity ([a64bb60](https://github.com/postalsys/emailengine/commit/a64bb6009163bed0835cb3f8342e5d0ec20549b3)), closes [#626](https://github.com/postalsys/emailengine/issues/626)
* **admin-ui:** keep the access-token banner in view and make the reference nav usable on a phone ([a4bb55f](https://github.com/postalsys/emailengine/commit/a4bb55f7a416a74c65b50a0b69879b5b21915711))
* **admin:** mark the operation being read in the API reference sidebar ([700eab7](https://github.com/postalsys/emailengine/commit/700eab7716bec0362b73bf5e8f498be971071e7e))
### Bug Fixes
* **accounts:** let a wrong-account setup be retried instead of bouncing it back ([4cd6ac4](https://github.com/postalsys/emailengine/commit/4cd6ac4d0b935244accc55b1f9abb41cf906a2dc))
* **accounts:** remove the messages an account had queued when it is deleted ([ba6897f](https://github.com/postalsys/emailengine/commit/ba6897f4a5966a1a0dcddd7c514a3804e31591c4))
* **auth:** replace unmaintained speakeasy and base32.js with in-house implementations ([9abaaaa](https://g
Official download sources
Each source below has been validated against an approved publisher domain and editorially approved. Links route through a safe internal redirect.
Verified checksum File integrity
Verify your downloaded file matches the publisher’s official hash before installing.
SHA-256
6b1e8159630f15642381a5194e16cbac82b051fc3011e340ec6ce28e0602d8bc
Platforms: Windows
EmailEngine compared
A factual, side-by-side overview based only on verified data.
| Attribute | EmailEngine This page | qBittorrent | Telegram | Mailspring |
|---|---|---|---|---|
| Developer | Postal Systems | qBittorrent Project | Telegram | Foundry 376 |
| Category | Communication | Communication | Communication | Communication |
| Platforms | Windows | Windows | Android, iOS, Linux, macOS, Web, Windows | Windows |
| Official sources | 1 | 1 | 4 | 1 |
| Verified official | ✓ | ✓ | ✓ | ✓ |
Alternatives to EmailEngine
Verified, official downloads in the same category.
Frequently asked questions
Where can I download EmailEngine safely?
Use the official sources listed on this page. Each link is validated against an approved publisher domain and routes through a safe internal redirect — no third-party or bundled installers.
Which platforms does EmailEngine support?
EmailEngine is available for Windows.
Is this the official EmailEngine download?
Yes. Every source shown here is validated against the publisher’s approved domain and editorially reviewed before being published.
Who develops EmailEngine?
EmailEngine is developed by Postal Systems.
What are the best alternatives to EmailEngine?
Popular alternatives include FileZilla®, qBittorrent and Mailspring. See the comparison above for a side-by-side overview.
Reviews & ratings
No reviews yet — be the first to share your experience.
Write a review