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New Account Types
Requires Restart
Allows other extensions to create new account types. This extension (sometimes called SkinkGlue) should not normally be downloaded directly by users, but instead is included in bundles with other extensions, such as the extension TweeQuilla.
WarnAttachment
WarnAttachment shows an additional dialog to confirm potentially dangerous attachments. Some attachments like executables etc. are completely blocked. This reduces the risk of malware especially for inexperienced users.
Archive This
Requires Restart
Provides keyboard shortcuts for filing messages into nine configurable "favorite" folders using user-defined keys. Also provides a simple filter system with a keyboard shortcut to file the currently selected message(s) into the correct folder.
dictCheck
Requires Restart
dictCheck - Double click on any english word in a page to get the polish meaning. Uses fast online dictionary.
Simple and easy! Enjoy!
Copy As Plain Text
Unmangle Microsoft ATP Safelinks
Users of outlook.com and o365 who have Advanced Thread Protection enabled will have all URL's in emails changed to redirect them to an Microsoft filter before opening. This is a bad idea.
This plugin will change the URL back to the original value.
Quick Folder Key Navigation
This extension makes it possible to quickly navigate to a particular folder in the folder pane simply by typing the first few letters of the folder name when the folder pane has focus.
EnForward
Save your email into Evernote by forwarding it to Evernote email address.
Before you use it, you need to specify your Evernote email address (see the screenshot).
This function can be invoked by "Forward to Evernote" in the context menu.
Ethical signature
Requires Restart
Add a button to the email composition toolbar, which lets you insert an ethical signature.
Encrypt if possible
Requires Restart
Sets message security option "encrypt message", if valid X509 certificates are found for all recipients.
FavLoc
Requires Restart
FavLoc allows you to set folders as "favorite locations" to which you can easily download. FavLoc menus will appear on the File menu (for saving pages), the context menu (for saving images and links), and on the download...
Thunderbird Chat Notification
Requires Restart
Chat notification for Mozilla Thunderbird. Notification with alert (click on alert open conversation) and sound.
One-by-One Forward
Requires Restart
Highlight multiple emails, right-click, then select "One-by-One Forward". This extension will allow you to forward the selected emails, one-by-one, to the recipients you specify using your choice of attachment handling.
EuropeanMX Spam Reporter
Train your EuropeanMX filter by reporting unrecognized spam back to us.
Check Domain
Requires Restart
This extension is to display the warning dialog when you send mail for multiple domains.
TBDialOut
ThunderStats! Your Thunderbird Statistics!
Do you remember the old good Eudora statistics? Do you miss them?
Using this addon you can finally keep an eye on how you use your beloved Thunderbird!
Thunderbird Biff
Requires Restart
This add-on provides a visual indicator of new Thunderbird mail availability in supported clients (Firefox, Sunbird) and Thunderbird itself. Note: you MUST install this add-on in BOTH Thunderbird and supported clients as there are both client AND ser...
Greek - English (US) Spelling dictionary
Combined Greek - English (US) spell checking dictionary for Firefox - Thunderbird - Seamonkey
Zindus
Requires Restart
Google and Zimbra contact sync for Thunderbird. (TB 24 and above NOT supported)
To create your own collections, you must have a Mozilla Add-ons account.
