Add-ons
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Magistral Undo Send 1.0
door magistral
This extension adds an ‘Undo Send’ feature to Thunderbird—just like Gmail’s Undo Send—giving you 10 seconds to cancel an email after clicking Send.
Over deze add-on
This extension adds an ‘Undo Send’ feature to Thunderbird—just like Gmail’s Undo Send—giving you 10 seconds to cancel an email after clicking Send.
