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Bigger Toolbar Buttons
Requires Restart
Forces all/any toolbar button icons to be displayed at 38x38 pixels (instead of the default 20x20 pixels). Small icons are displayed at their default size. Works with nearly all themes.
Google Reader Tab
Requires Restart
Adds the Google Reader web interface as a new tab directly into Thunderbird. Anything works as it would in a browser like Firefox. This addon is based on Google Calendar Tab.
Sent-By-User column
Requires Restart
Adds a new column in message list-view, that will display the name of the user who sent the mail (read from a message header).
Manual configuration required. ONLY FOR THUNDERBIRD.
Mutt Keys
Requires Restart
Creates Mutt like key bindings for Thunderbird. Inspired by the mouseless extension.
Simple Search-For Extension
Requires Restart
Adds a "Search for" item to Thunderbird's context menu, like in Firefox.
Linagora ESN OpenPaaS
nomapi
SS Ancestry Quick Button
Requires Restart
A quick button link to the website, ssancestry.comyr.com/.
HtmlHighlightr
Requires Restart
Provides source code highlighting in editor's "Insert HTML" dialog.
No Delete
Requires Restart
Prevents to delete messages from your disk. Note that it's OK to move mail into trash folder itself.
Peachphone : virtual phone (Android/iPhone)
Requires Restart
http://peachphone.com/release/
Send SMS and MMS worldwide, Video from your webcam, video from Youtube, send photos, manage your contacts (Thunderbird, Outlook, MSN, Yahoo)
Prevent Delete
Delete Read Emails
Requires Restart
Adds a button in Thunderbird's toolbar that enables you to delete all your read emails at once
Hütte Nippon for Thunderbird
EditEmailSubject-hotfix
Requires Restart
Hotfix for EditEmailSubject version 2.1.0 by jisse44
https://addons.mozilla.org/de/thunderbird/addon/edit-email-subject/
- fixed: does not overwrite Message-ID and references with undefined
DeleteSimilar
Requires Restart
Auto-delete similar newer incoming RSS messages.
No GUI (Hands free). To make it work you just rename the RSS folder to start with a minus.
i.e. Google News to -Google News
Uses Trash. Keeps oldest message to preserve Read status.
Events spanning multiple days
Requires Restart
Displays multiple day events as a "spanning" event, without borders of the day-elements inside the month- and multiweek-view.
Custom Sender Address and Reply
Requires Restart
Select sender mail address based on the recipient and reply with the same address
To create your own collections, you must have a Mozilla Add-ons account.
