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Reply In Group Requires Restart

Adds "Reply In Group" and "Reply to sender" toolbar buttons to the main window. So it's easier to reply in Usenet...

Rated 5 out of 5 stars (6)
8 users

Reply Monitor Requires Restart

Keep track of your emails and replies (Lightning is required).
Note: the name of this add-on has been changed to Reply Monitor because the previous name is a registered trademark.

Rated 4 out of 5 stars (20)
1,518 users

Reply to All as Cc Requires Restart

Send a reply for recipients as CC except the sender, when you do "Reply to All".

Rated 4 out of 5 stars (4)
448 users

Reply To All Reminder Requires Restart

Asks for confirmation when "Reply" instead of "Reply to All" is pressed on an email with multiple recipients.

Not yet rated
132 users

replyTo Requires Restart

Adds a menuitem to the Mail context Menu to Reply to a different Mailadress

Rated 5 out of 5 stars (7)
324 users

ReplyWithHeader Requires Restart

Outlook style headers and few goodies for Thunderbird & Postbox.

Rated 5 out of 5 stars (8)
1,202 users

Report Requires Restart

Печать реестра входящих и исходящих сообщений, полученных/переданных по электронной почте.

Not yet rated
4 users

Report Spam Requires Restart

Report spam is a Thunderbird plugging to report antispam errors. A new button is added to header tool bar in order to signal a message as a false positive (a ham that is tagged as spam) or a false negative (a spam not tagged as spam).

Rated 3 out of 5 stars (9)
2,588 users

ResetRec Requires Restart

ResetRec allows you to reset the recipient list.

Rated 5 out of 5 stars (3)
843 users

Resize Header Requires Restart

An addon to let you resize the message header pane.

Rated 3 out of 5 stars (4)
301 users

Responsible Blocker

The "Responsible Blocker" arrives to save the Internet, this extension blocks all those annoying ads, but allows only small and acceptable ads, so the websites you like can continue online.

The "Responsible Blocker" arrives to save the Internet

Not yet rated
124 users

Restart

"Restart" menu and button, with configurable shortcut key.

Rated 5 out of 5 stars (66)
28,501 users

Restart App Button

Restart the current application, as you might need to do after installing a new extension or theme.

Rated 5 out of 5 stars (5)
713 users

Restart application Requires Restart

Restart the application with one click (or Ctrl Shift Z)

Rated 5 out of 5 stars (11)
3,697 users

Restart Thunderbird Requires Restart

Restart Thunderbird with ease.

Rated 4 out of 5 stars (21)
511 users

Restartless Restart

This 15KB restartless add-on will add a "File" -> "Restart" menu item and a ctrl/cmd + alt + r hotkey to restart Firefox or Seamonkey.

Rated 4 out of 5 stars (217)
18,799 users

Resubmission Folder Requires Restart

View the most important e-mails sorted after specified resubmission date and filter them. Do the same with sent e-mails to see which recipient has to be reminded to answer your e-mail.

ATTENTION:
Only tested on Windows!
Some bugs not fixed yet!

Rated 4 out of 5 stars (10)
134 users

Resubmit Requires Restart

(Re)submit multiple messages to a predefined recipient(s)

Not yet rated
52 users

Rethread

This addon adds an entry in the right-click menu which re-threads selected messages together (groups selected messages into the same thread)". This is done by _modifying_ messages; the author of the addon declines any responsibility for data loss.

Rated 3 out of 5 stars (5)
87 users

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 (10)
5,994 users