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Send to Internals Requires Restart

Provides a special button to send mail to internals. "Internals" may be company, organization, or user group and so on.

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1 user

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Return Receipt Toolbar Button Requires Restart

Allow you to add a Return Receipt button to mail compose window toolbar.

Rated 5 out of 5 stars (21)
121 users

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Advanced Unread Folders Requires Restart

Adds a folder view showing unread folders, including their hierarchy. This is helpful if you have a lot of folders to make sure you don't miss an email, or if you are not happy with the existing unread folders view.

Rated 3 out of 5 stars (19)
29 users

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Locale2MUI Requires Restart

Sets Firefox/Thunderbird Locale to Windows (MUI) Language on startup

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0 users

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New Mail Attention Requires Restart

This addon calls attention to main window on new message arrival.

Rated 4 out of 5 stars (52)
25 users

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Kamus Pengecek Ejaan Bahasa Indonesia

Spell checker dictionaries for Bahasa Indonesia

Rated 4 out of 5 stars (16)
494 users

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Profile Folder Button

Adds profile folder/directory button.

Rated 4 out of 5 stars (3)
6 users

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Reply As Original Recipient Requires Restart

Reply with the From: field set to the To: field from the original email.

Rated 4 out of 5 stars (8)
29 users

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JunQuilla Requires Restart

1) adds column with percent likelihood that a message is spam, 2) extends junk status column to show why a message was classified as junk/good, 3) adds an Uncertain folder for messages needing user decision.

Rated 4 out of 5 stars (29)
46 users

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eArztbrief Requires Restart

Für die an SafeMail teilnehmenden Ärzte.

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0 users

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teclib' Protocol Requires Restart

Assists to setup a chat account for teclib'.

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0 users

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Change Referer Button Requires Restart

Button in the toolbar/status bar to change referer value.

Rated 5 out of 5 stars (17)
2 users

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Personal Level Indicators Requires Restart

Shows an indicator so you can tell if an email was addressed only to you (»), a group (›), or a mailing list.

Rated 4 out of 5 stars (11)
21 users

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Addons Recent Updates Requires Restart

Show more addons recent updates

Rated 5 out of 5 stars (11)
6 users

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Developer Assistant Requires Restart

A suite of tools for developers.

Rated 4 out of 5 stars (46)
0 users

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Add-ons Button

Opens the Add-ons window to perform tasks on your installed Extensions, Themes, Plug-ins and Language packs.

Rated 4 out of 5 stars (7)
16 users

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Rikaichan Japanese-Hungarian Dictionary File Requires Restart

This is a dictionary file add-on for the Rikaichan extension.

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0 users

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Extension List Dumper 2 Requires Restart

This extension adds a button ("Dump list") to the Add-ons window. When this button is pressed, a new window is opened with the list of installed extensions, themes or plugins...

Rated 4 out of 5 stars (38)
9 users

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Safe for Amoled

Darkens the background of the page

Rated 3 out of 5 stars (19)
1 user

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Kukkuniiaat Requires Restart

A Greenlandic spell checker for Mozilla products.

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1 user

Download for Windows