Add-ons
Mail Filter Alert 1.1.4
by kengheng
Monitors and filters incoming and unread emails based on user-defined keywords, displaying matches in a beautiful centralized dashboard.
About this Add-on
Mail Filter Alert is a lightweight, real-time email filtering and alerting tool for Thunderbird. It monitors incoming emails, matches them against user-defined keywords, and immediately surfaces alerts in a centralized, visually stunning dashboard.
Key Features:
- Real-Time Keyword Matching: Filter incoming messages by Subject, Sender, or Body content instantly.
- Secure DOM Rendering: Programmatic, secure UI construction that prevents script injection.
- Expiration Lifespans: Configure temporary filter rules (e.g., 1 day, 1 week, custom date) with dynamic relative-time badges.
- Native Thunderbird Integration: Flags and tags matching emails (adding red labels and stars) for quick visual sorting in your inbox.
- Toolbar Count Badge: Live counter on the extension icon indicating new unread filter matches.
Where to find:
- Dashboard: Click the "Mail Alert Dashboard" action button in your Thunderbird toolbar.
- Settings & Rules: Click the gear/settings button on the top-right of the dashboard, or open Settings from Thunderbird Add-ons Manager -> Extensions -> Mail Filter Alert -> Preferences.
https://kengheng1024.blogspot.com/2026/06/mail-filter-alert-monitors-and-filters.html
Key Features:
- Real-Time Keyword Matching: Filter incoming messages by Subject, Sender, or Body content instantly.
- Secure DOM Rendering: Programmatic, secure UI construction that prevents script injection.
- Expiration Lifespans: Configure temporary filter rules (e.g., 1 day, 1 week, custom date) with dynamic relative-time badges.
- Native Thunderbird Integration: Flags and tags matching emails (adding red labels and stars) for quick visual sorting in your inbox.
- Toolbar Count Badge: Live counter on the extension icon indicating new unread filter matches.
Where to find:
- Dashboard: Click the "Mail Alert Dashboard" action button in your Thunderbird toolbar.
- Settings & Rules: Click the gear/settings button on the top-right of the dashboard, or open Settings from Thunderbird Add-ons Manager -> Extensions -> Mail Filter Alert -> Preferences.
https://kengheng1024.blogspot.com/2026/06/mail-filter-alert-monitors-and-filters.html
