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CategoryManager
Category manager for Thunderbird contacts, also allows to send an email to all members of a category (categories can be used as contact groups).
CardDAV Browser
A utility to browse vCards stored on a CardDAV server.
This version is only for Thunderbird. There is a SeaMonkey version available if needed.
Edit Email Subject (EES)
Google Keep Tab
Identity Chooser
Identity Chooser helps you to always use the correct identity when composing a new email.
Attach from Clipboard
ReFwdFormatter
Remove the ">" prefix from quote when you make a reply.
[Source code] https://github.com/isshiki/ReFwdFormatter
TexTra
Correct Identity
Ever sent mail from the wrong email address because you forgot to select the correct identity?
WarnAttachment
WarnAttachment zeigt einen zusätzlichen Dialog um das Öffnen von gefährlichen Anhängen zu bestätigen. Einige Anhänge wie z.B. .exe-Dateien werden komplett geblockt. Dies reduziert das Malware-Risiko besonders für unerfahrene Benutzer.
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.
EuropeanMX Spam Reporter
Train your EuropeanMX filter by reporting unrecognized spam back to us.
Paranoia
Check if your emails arrived TLS-encrypted (and which corporations were able to read it nevertheless)
QuickArchiver
Get things done and clean up your inbox! When you move an e-mail the first time, QuickArchiver remembers the destination folder and lets you move more e-mails with a single click. You can apply rules by sender, recipient, and subject.
Copy Sent to Current
Allows to place a copy of sent messages (aka FCC) into the currently active folder or any other folder you choose, when you create the message. Usually the copies are placed into the 'Sent' folder. For replies, you may also move the original message.
TORPEDO - TOoltip-poweRed Phishing Email DetectiOn
TORPEDO is a tool for recognizing untrustworthy links (phishing). Move the mouse pointer over a link in your email. TORPEDO displays the correct web address in a tooltip and helps you to analyze it.
Rspamd-spamness
Filter Button
Allows to add a button to the message header view toolbar that shows all filters that match the selected message, including manual and disabled filters. A click on the button allows to select a filter to run.
To create your own collections, you must have a Mozilla Add-ons account.
