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Paranoia

Check if your emails arrived TLS-encrypted (and which corporations were able to read it nevertheless)

Rated 4 out of 5 stars (14)
638 users

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TORPEDO - TOoltip-poweRed Phishing Email DetectiOn

TORPEDO ist ein Tool zum Erkennen von betrügerischen Links (Phishing). Bewegen Sie die Maus über einen Link in einer Email. TORPEDO zeigt Ihnen die tatsächliche Webadresse in einem Tooltip an und hilft Ihnen, diese zu untersuchen.

Rated 5 out of 5 stars (9)
1,338 users

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Rspamd-spamness

Rspamd spam filtering system score visualization.

Rated 4 out of 5 stars (8)
945 users

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FolderFlags

Allows users to edit the flags Thunderbird sets on folders.

Rated 5 out of 5 stars (24)
3,304 users

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Copy Message ID

Adds a button to the message view toolbar to copy the message ID to the clipboard. This is useful when sending email replies via the command line.

Rated 5 out of 5 stars (3)
312 users

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X-Unsent support

Adds support for the X-Unsent header.

Rated 5 out of 5 stars (4)
61 users

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Auto Select Latest Message

Automatically select and display latest message from the list on startup or when switching folder.
Remember last opened message in "smart" folder

Rated 4 out of 5 stars (42)
141 users

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More Snooze

This add allow to customize the snooze delay when snooze popup appears (lightning required).

Rated 5 out of 5 stars (10)
679 users

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Evernote Tab

Add a button and a menu to open Evernote in tab.

Rated 3 out of 5 stars (9)
455 users

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Macro Template

Macro Template is to replace mail templates with macros for date formatting.

Rated 5 out of 5 stars (9)
471 users

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AlertSwitch

Simply turn on or turn off the alerts shown & sounds played when new message arrives.

Rated 3 out of 5 stars (7)
669 users

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Single Domain

Warns if you send mail from or to a specified domain. If there are multiple accounts in your profile, you can isolate one so that you can't send mail to that domain from outside or vis versa without warning.

Rated 5 out of 5 stars (4)
95 users

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AutoSlide

The AutoSlide addon automatically moves the splitter between the thread and the message pane in Thundbird so that the thread pane is set to a optimal height.

Rated 4 out of 5 stars (4)
94 users

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Toggle Headers

Allows to switch between the normal header view and viewing all headers when viewing a message by using a keyboard shortcut (Ctrl+H).

Rated 4 out of 5 stars (12)
1,245 users

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Expertspam

Report spam, false-positives or phishing back to your antispam provider.

Rated 2 out of 5 stars (11)
154 users

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Received

Displays the "Received" header parsed with a regular expression.

Rated 5 out of 5 stars (4)
149 users

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RemindIt

Help in reminding mails to be answer or sent again. Choose a reminder date for each received or send message that are highlighted in the message list, depending on their status (expired, soon to exprire, to be reminded). Sending a reminder is eased.

Rated 3 out of 5 stars (27)
682 users

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AutoBucket

This is an extension function that classifies emails into multiple buckets using AI(the Bayesian filter) and tags them.

Rated 3 out of 5 stars (11)
141 users

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Simple Startup Minimizer

This extension will minimize Thunderbird on startup, it is very simple and I didn't put much work into it but it should work on all platforms. Please let me know if you want more features added into it.

Rated 4 out of 5 stars (30)
6,608 users

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Remove Duplicates

Removes duplicate messages

Rated 4 out of 5 stars (17)
143 users

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