Release History

0.20.4

Release Date: 2025-12-19

Improvements

1. Split MsGraph from SMTP; MsGraph sending authorization no longer depends on domain suffix detection.

Downloads

uzonmail-desktop-win-x64-0.20.4.0.zip

uzonmail-service-win-x64-0.20.4.0.zip

uzonmail-service-linux-x64-0.20.4.0.zip

docker

0.20.3

Release Date: 2025-12-11

Bug Fixes

1. Fixed an issue where multilingual @ configuration errors caused download functionality in mailbox management to fail.

Downloads

uzonmail-desktop-win-x64-0.20.3.0.zip

uzonmail-service-win-x64-0.20.3.0.zip

uzonmail-service-linux-x64-0.20.3.0.zip

docker

0.20.2

Release Date: 2025-12-10

Improvements

1. Optimized status label styling to reduce visual prominence.
2. Improved backend memory management to release unused memory timely and increase runtime stability.

Bug Fixes

1. Fixed a bug where pausing caused incorrect mail status and prevented resuming sending.
2. Fixed a bug where the frontend did not respond properly after an outbox error.

Downloads

uzonmail-desktop-win-x64-0.20.2.0.zip

uzonmail-service-win-x64-0.20.2.0.zip

uzonmail-service-linux-x64-0.20.2.0.zip

docker

0.20.1

Release Date: 2025-12-10

Bug Fixes

1. Fixed a bug that prevented creating groups due to database changes.

Downloads

uzonmail-desktop-win-x64-0.20.1.0.zip

uzonmail-service-win-x64-0.20.1.0.zip

uzonmail-service-linux-x64-0.20.1.0.zip

docker

0.20

Release Date: 2025-12-06

New Features

1. Added QQ group member collection (Professional edition and above).

Downloads

uzonmail-desktop-win-x64-0.20.0.0.zip

uzonmail-service-win-x64-0.20.0.0.zip

uzonmail-service-linux-x64-0.20.0.0.zip

docker

0.19.1

Release Date: 2025-12-06

Bug Fixes

1. Fixed a concurrency issue where updating caches caused the outbox to exit under heavy concurrency.

Downloads

uzonmail-desktop-win-x64-0.19.1.0.zip

uzonmail-service-win-x64-0.19.1.0.zip

uzonmail-service-linux-x64-0.19.1.0.zip

docker

0.19.0

Release Date: 2025-12-05

Warning

Because the password storage method was changed, direct upgrades are not supported. You may need to delete the database and restart. For the desktop client, delete the old directory.

Updates

1. Added AI template generation and optimization features Docs - AI Assistant.
2. Added AI-generated multiple subject lines based on content.
3. Improved backend cache framework to increase cache efficiency.

Bug Fixes

1. Fixed an issue where professional edition authorization might disappear after database deletion.
2. Fixed an issue where variables in Excel data were not replaced.

Other

1. Tested importing 70k inbox records; could not reproduce the reported stuttering.

Downloads

uzonmail-desktop-win-x64-0.19.0.0.zip

uzonmail-service-win-x64-0.19.0.0.zip

uzonmail-service-linux-x64-0.19.0.0.zip

docker

0.18.2

Release Date: 2025-11-08

Warning

Due to many multilingual changes, upgrades are not recommended unless necessary.

Updates

1. Home page, Outbox management and New Outbox pages support multiple languages.
2. Added bulk deletion of inbox items that have already received mail.

Downloads

uzonmail-desktop-win-x64-0.18.2.0.zip

uzonmail-service-win-x64-0.18.2.0.zip

uzonmail-service-linux-x64-0.18.2.0.zip

docker

0.18.1

Release Date: 2025-10-30

Bug Fixes

1. Fixed a bug where "Copy Outbox" in send history was unresponsive.
2. Fixed a bug where templates became invalid after selection.

Downloads

uzonmail-desktop-win-x64-0.18.1.0.zip

uzonmail-service-win-x64-0.18.1.0.zip

uzonmail-service-linux-x64-0.18.1.0.zip

docker

0.18.0

Release Date: 2025-10-25

Improvements

1. Enterprise edition added IP warming feature.

2. Community edition adds the following default variables:

| outboxName | Recipient name |

3. Improved randomness uniformity for sending intervals.
4. Added bulk deletion of send history.

Downloads

uzonmail-desktop-win-x64-0.18.0.0.zip

uzonmail-service-win-x64-0.18.0.0.zip

uzonmail-service-linux-x64-0.18.0.0.zip

docker

0.17.1

Release Date: 2025-09-18

Bug Fixes

1. Fixed an issue where some devices couldn't select files.
2. Fixed a database concurrency issue during bulk validation.
3. Fixed incorrect retrieval of recipient variable names.
4. Fixed a bug where preview wasn't available when only a recipient group was selected.

Downloads

uzonmail-desktop-win-x64-0.17.1.0.zip

uzonmail-service-win-x64-0.17.1.0.zip

uzonmail-service-linux-x64-0.17.1.0.zip

docker

0.17.0

Release Date: 2025-09-10

Improvements

1. Optimized the sending core to increase sending rate.
2. Added per-IP per-domain hourly sending limits to prevent IP blocking during high concurrency.
3. Dynamic variables now include Outbox, Inbox, Inboxes and other process data.

Downloads

uzonmail-desktop-win-x64-0.17.0.0.zip

uzonmail-service-win-x64-0.17.0.0.zip

uzonmail-service-linux-x64-0.17.0.0.zip

docker

0.16.4

Release Date: 2025-09-04

Bug Fixes

1. Fixed an issue where enterprise settings retrieval caused the application to crash.
2. Fixed an issue where scheduled task optimizations were not merged into updates.

Downloads

uzonmail-desktop-win-x64-0.16.4.0.zip

uzonmail-service-win-x64-0.16.4.0.zip

uzonmail-service-linux-x64-0.16.4.0.zip

docker

0.16.3

Release Date: 2025-09-01

New Features

1. Support for sending via Outlook using a proxy (effective when SMTP address is not smtp.outlook.com).

Bug Fixes

1. Fixed scheduled tasks still executing after cancellation.
2. Fixed scheduled tasks marked as completed after restart.

Downloads

uzonmail-desktop-win-x64-0.16.3.0.zip

uzonmail-service-win-x64-0.16.3.0.zip

uzonmail-service-linux-x64-0.16.3.0.zip

docker

0.16.2

Release Date: 2025-08-25

Bug Fixes

1. Fixed timezone issues in scheduled tasks that caused actual send times to be inaccurate.
2. Fixed JS variable parsing issues.

Downloads

uzonmail-desktop-win-x64-0.16.2.0.zip

uzonmail-service-win-x64-0.16.2.0.zip

uzonmail-service-linux-x64-0.16.2.0.zip

docker

0.16.1

Release Date: 2025-08-16

New Features

1. Enhanced template and editor: drag-and-drop image support, tables, and advanced image editing.

Bug Fixes

1. Fixed a bug preventing saving when copying raw HTML into a template.
2. Fixed inconsistent server vs UI time display.

Downloads

uzonmail-desktop-win-x64-0.16.1.0.zip

uzonmail-service-win-x64-0.16.1.0.zip

uzonmail-service-linux-x64-0.16.1.0.zip

docker

0.16.0

Release Date: 2025-08-01

New Features

1. Added PostgreSQL support.
2. Improved variable parsing performance.

Bug Fixes

1. Fixed a crash caused by variable parsing errors after line breaks.

Downloads

uzonmail-desktop-win-x64-0.16.0.0.zip

uzonmail-service-win-x64-0.16.0.0.zip

uzonmail-service-linux-x64-0.16.0.0.zip

docker

0.15.3

Release Date: 2025-07-04

New Features

1. Desktop client now restricts to a single instance.
2. Added "Unsent" filter in send details.

Bug Fixes

1. Fixed background process not closing after desktop client exit.
2. Fixed incorrect category filter data in send details.

Downloads

uzonmail-desktop-win-x64-0.15.3.0.zip

uzonmail-service-win-x64-0.15.3.0.zip

uzonmail-service-linux-x64-0.15.3.0.zip

docker

0.15.2

Release Date: 2025-07-03

Bug Fixes

1. Fixed Outlook verification failure after entering username/password.
2. Fixed Hotmail failing to match Graph sending.

Downloads

uzonmail-desktop-win-x64-0.15.2.0.zip

uzonmail-service-win-x64-0.15.2.0.zip

uzonmail-service-linux-x64-0.15.2.0.zip

docker

0.15.1

Release Date: 2025-06-28

New Features

1. Support configuring Outlook ClientId for unified authorization; add MicrosoftEntraApp to backend appsettings.Production.json as described in the original Chinese docs.
2. Improved bulk upload logic for outbox and inbox to continue on invalid email formats.

Bug Fixes

1. Fixed missing mail tracking data saves.

Downloads

uzonmail-desktop-win-x64-0.15.1.0.zip

uzonmail-service-win-x64-0.15.1.0.zip

uzonmail-service-linux-x64-0.15.1.0.zip

docker

0.15.0

Release Date: 2025-06-21

New Features

1. Support Outlook sending via refresh_token. Put client_id in the username field and the token in the password field.
2. Enterprise edition adds API management features.
3. Moved frontend configuration to backend. Add BaseUrl in appsettings.Production.json to fix baseUrl in app.config.json if needed.

Bug Fixes

1. Fixed an issue where frontend couldn't validate .well-known when applying for SSL certificates.

Downloads