Release History

uyoufuDecember 25, 2025...About 9 min

0.23.0

Release Date: 2026-07-28

New Features

Desktop application auto-updater: New UzonMailUpdater CLI tool with package/update commands for version checking, ZIP download, file hash validation, and rollback support. Desktop app integrates WebView2 update entry, superadmins can check and apply updates from dashboard.
Batch move email boxes to target group: Support batch selecting and moving inboxes/outboxes to specified groups from management pages.
Batch soft-delete for selected inboxes: Support batch soft-deleting selected inboxes with validation status displayed in table.
Hard bounce detection and inbox verification: Auto-detect SMTP 550/551/553 as hard bounces during sending, mark target inbox as invalid and move to "validation failed" group. Support verifying individual inbox or entire group.
Allow duplicate sending option: New sending task setting to allow sending to same recipient multiple times, with warning dialog showing duplicates when detected.
API localization infrastructure: New key-based API error localization system with localized error messages for Chinese and English.

Improvements

Full UI internationalization: Added and improved translations for crawlerTask, sendDetail, sendHistory, sendingProgress, statisticsReport, profile and other pages.
SendCore scheduling optimization: Non-blocking cooldown with lazy daily quota reset to avoid blocking worker slots. Cursor-based pagination for outbox loading with adaptive catalog replenishment.
DraggableTree component: New reusable component supporting hierarchical data with drag-and-drop and context menus.
Context menu visibility conditions: Control menu item visibility based on selection count (any/onlyMulti/onlySingle).
Strengthened TypeScript typing: useQTable and ContextMenu with generic type parameters and multi-select v-model for better type safety and batch operations.
File storage redesign: Introduced file categories with tree structure, content-addressable storage, and reference counting for safe cleanup.
Plugin loading optimization: Support loading shared dependencies from parent-level Assembly directory, sort plugins by dependency order.

Bug Fixes

Fix WSL path conversion with proper Bash quoting for Windows paths with backslashes.
Rename disableAutogrow to disableAutoGrow for consistency across LowCodeForm property naming.

Downloads

uzonmail-desktop-win-x64-0.23.0.0.zip

uzonmail-service-win-x64-0.23.0.0.zip

uzonmail-service-linux-x64-0.23.0.0.zip

docker

0.22.1

Release Date: 2026-06-03

Improvements

Simplified Docker installation and supported overriding backend configuration through environment variables

Bug Fixes

Fixed an issue where the daily sending limit reset incorrectly

Downloads

uzonmail-desktop-win-x64-0.22.1.0.zip

uzonmail-service-win-x64-0.22.1.0.zip

uzonmail-service-linux-x64-0.22.1.0.zip

docker

0.22.0

Release Date: 2026-03-29

Function Optimization

Optimize login screen animation

Bug Fixes

Fix bug where email still displays after deleting email group

Downloads

uzonmail-desktop-win-x64-0.22.0.0.zip

uzonmail-service-win-x64-0.22.0.0.zip

uzonmail-service-linux-x64-0.22.0.0.zip

docker

0.22.0

Release Date: 2026-03-29

Features Optimization

Optimize login interface animations

Bug Fixes

Fix the bug where emails still display after deleting email groups

Downloads

uzonmail-desktop-win-x64-0.22.0.0.zip

uzonmail-service-win-x64-0.22.0.0.zip

uzonmail-service-linux-x64-0.22.0.0.zip

docker

0.21.0

Release Date: 2026-03-22

Performance Improvements

Optimized performance usage
Upgraded the framework to .NET 10

Bug Fixes

Fixed AI not working on Windows

Downloads

uzonmail-desktop-win-x64-0.21.0.0.zip

uzonmail-service-win-x64-0.21.0.0.zip

uzonmail-service-linux-x64-0.21.0.0.zip

docker

0.20.6

Release Date:2026-01-27

Improvements

Update UzonMail icon

Bug Fixes

Fix custom domain Outlook sending failure issue

Downloads

uzonmail-desktop-win-x64-0.20.6.0.zip

uzonmail-service-win-x64-0.20.6.0.zip

uzonmail-service-linux-x64-0.20.6.0.zip

docker

0.20.5

Release Date:2025-12-19

Improvements

Split database upgrade module initialization and upgrade to reduce coupling.
Use outbox history to assist SMTP information completion.
Correct the status of sending tasks that exit due to outbox issues to "paused".

Downloads

uzonmail-desktop-win-x64-0.20.5.0.zip

uzonmail-service-win-x64-0.20.5.0.zip

uzonmail-service-linux-x64-0.20.5.0.zip

docker

0.20.4

Release Date: 2025-12-19

Improvements

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

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

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

Bug Fixes

Fixed a bug where pausing caused incorrect mail status and prevented resuming sending.
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

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

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

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

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

Bug Fixes

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

Other

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

Home page, Outbox management and New Outbox pages support multiple languages.
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

Fixed a bug where "Copy Outbox" in send history was unresponsive.
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

Enterprise edition added IP warming feature.

Community edition adds the following default variables:

| outboxName | Recipient name |

Improved randomness uniformity for sending intervals.
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

Fixed an issue where some devices couldn't select files.
Fixed a database concurrency issue during bulk validation.
Fixed incorrect retrieval of recipient variable names.
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

Optimized the sending core to increase sending rate.
Added per-IP per-domain hourly sending limits to prevent IP blocking during high concurrency.
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

Fixed an issue where enterprise settings retrieval caused the application to crash.
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

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

Bug Fixes

Fixed scheduled tasks still executing after cancellation.
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

Fixed timezone issues in scheduled tasks that caused actual send times to be inaccurate.
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

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

Bug Fixes

Fixed a bug preventing saving when copying raw HTML into a template.
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

Added PostgreSQL support.
Improved variable parsing performance.

Bug Fixes

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

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

Bug Fixes

Fixed background process not closing after desktop client exit.
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

Fixed Outlook verification failure after entering username/password.
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

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

Bug Fixes

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

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

Bug Fixes

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

Downloads

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