Thunderbird - Delete all junk mails at once

Question

is there a button or something like that to delete all Junk mails at once?

I sort the mail atm and select it with CTRL+SHIFT+UP and than I press delete.

Answer 1

• Find the command you want in this list

In your case, it's

deleteJunk

• Get the Keyconfig extension

• Following the guide in the above link, create a new shortcut key for the desired command

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(Copied from above link)

• In Thunderbird, choose: Tools – Keyconfig... The Keyconfig dialog opens.
• At the bottom of the Keyconfig dialog, press the button "Add a new key". The Key editor dialog opens.
• Name the key: Compact This Folder (You can use any name—it does not affect the operation of the key.)
• Copy and paste the following code sample where you see the comment /CODE/:

goDoCommand("cmd_compactFolder")

• Press OK to close the Key editor.
• Go to the field at the bottom of the Keyconfig dialog, and press the key combination Alt+C. (Do not type the characters A l t + C, but instead hold down the Alt key and press the C key.)
• Press the Apply button, then the Close button.
• Restart Thunderbird.

Answer 2

As of April 2017, Thunderbird has a menu item: Tools > Delete Mail Marked as Junk in Folder

Answer 3

That does not speed up the process much though, say if you have several email accounts each with their own junk folder, it would be nice to have a single button to just empty them all.

Such as the Empty 'em extension I found on the addons site https://bluebox.live/emptyem

This allows you to empty trash and junk for all servers in one go, even has options to compact the folders (to truly remove everything) and suppress all the confirmation messages, so you don't, like in my case, get 20 confirmation boxes asking you if it's ok to delete the junk (yes I have a few email accounts lol).

Took less than 3 minutes to empty and compact them all with just 1 click though.