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Gravatars
Requires Restart
Show a column with the Gravatar-picture and sender-name in email folders.
Disable about:config
Requires Restart
Disable about:config feature of Firefox and Thunderbird.
Path Linker
Customizable LDAP AddressBook Auto Complete
Requires Restart
Provides (restores) customizability of auto complete items for LDAP addressbook items, and more features.
Highlight Unread Folders
Requires Restart
This add-on enables highlighting the account names which contain unread messages.
ToggleFullHeaders
Requires Restart
Allows you to customise the message panel buttons to add a "Toggle Headers" button that will switch between showing and hiding the full headers.
AntiLostFilter
No Delete
Requires Restart
Prevents to delete messages from your disk. Note that it's OK to move mail into trash folder itself.
TarotSignature
Requires Restart
This version provides a custom button for the message composer.
You need to customize your toolbar of the message composer.
The signature is hard-coded into the source code.
The signature is NOT being inserted automatically on window-open.
YNote
Requires Restart
Make some text notable on the each folder in folder's property dialog box.
To create your own collections, you must have a Mozilla Add-ons account.
