Add-ons
Undo Send Queue 2.0.0
by Praveen
Gmail-style Undo Send for Thunderbird — delay outgoing mail 5–60 seconds and cancel before it goes out .
configurable delay, undo from notification/queue, dark mode, no network, no telemetry
About this Add-on
Gmail-style Undo Send for Thunderbird — delay outgoing mail 5–60 seconds and cancel before it goes out . configurable delay, undo from notification/queue, dark mode, no network, no telemetry
