Extras

Remove Duplicate Messages por Eyal Rozenberg

Search and remove messages which are the same as other messages in your mail folders (referred to as duplicates or dupes).

Mail Redirect por Onno Ekker, Pawel Krzesniak

Permitir redireccionar as mensagens de correio (aka "repostagem") para outros destinatários.

Nota do colecionador なるべく余計な手を加えずにそのまま転送するために。

CompactHeader por jmozmoz

Add symbol in header plane to switch between compact and expanded view. Work only for Thunderbird 68.0 and older. Currently, there are no plans to update this for newer versions.

Quote Colors por Malte Ruecker

Quote Colors allows you to select text and background colors of different quote levels which are applied when reading or printing mail/news messages. Additionally, you can choose between graphical and traditional plain text quoting display mode.

Nota do colecionador 標準のスタイルよりこっちの方が自分は見やすい。

Thunderbird Message Filter Import/Export Enhanced por kounavi

Thunderbird Message Filter Import/Export Enhanced is a compatibility port of Wind Li's add on.
Original add on here: https://addons.mozilla.org/en-US/thunderbird/addon/thunderbird-message-filter-imp/

Thunderbird Message Filter Import/Export por Wind Li

Thunderbird Message Filter Import/Export é uma extensão para importar/exportar filtros de mensagens.

Nota do colecionador 常用は言い過ぎかも。1回使ったらもう使わない類のアドオンだし……

Correct Identity por ldreier, Dennis Verspuij

Ever sent mail from the wrong email address because you forgot to select the correct identity?

Nota do colecionador プライベートなメールと仕事のメールとを同じ所にぶち込んでるので、差出人を選択し忘れるのを防ぐために。

Folderpane Tools por chuonthis, Philip Chee

Allows for customization of the folder pane. Accounts can be rearranged and the startup folder can be chosen.

Nota do colecionador 常用は言い過ぎかも。1回使ったらもう使わない類のアドオンだし……

Priority Switcher por H.Ogi

Change priority of the received messages from the toolbar button and the context menus...

Before Tabs Toolbar por Paenglab

Adds a toolbar before the tabs.

Ruler Bar por Piro (piro_or)

This appends a ruler to the mail composition window.

Nota do colecionador なんとなく、あると安心する。無くても使える。そんな機能。

XUL/Migemo por Piro (piro_or)

This provides dictionary-assisted search (Migemo search) and regular expression powered search for "find in this page" and other features.

Nota do colecionador 対応させてみたので入れてるけど、いまいち自分でも使ってない。

CuteMenus - Crystal SVG por mrtech, Static_Nexus, outros

Note from Mozilla: This add-on has been discontinued. Try Menu Icons Plus instead.

Adds icons to all menus along with some other features...

Nota do colecionador メニューの視認性が上がる。

Sync On Arrival por Michael Buschbeck

Downloads new message headers (and bodies, if configured) immediately when Thunderbird detects new messages in an IMAP folder - that's more or less what the "download_on_biff" preference promises to do, but somehow fails to deliver...

Nota do colecionador IMAP使うならこれがないとやってらんないと思う。