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Get All Mail Button
Requires Restart
Adds a toolbar button to Get All Mail Accounts in Thunderbird.
Gmail Buttons
Requires Restart
Adds message-specific buttons to Thunderbird that are consistent with the way Gmail handles Trash and Spam.
Teamworkx Thunderbird Integration for Jira
Requires Restart
This is a add-on for Thunderbird as well as Seamonkey which is able to create Atlassian Jira issues out of e-mails or add the content of an e-mail as a comment on an Jira issue.
Hebrew spell-checking dictionary (from HSpell)
Hebrew spell-checking dictionary for Firefox and Thunderbird. Generated from data of the HSpell project version 1.4, and distributed freely under the AGPLv3.
Menu On Top (SuperMenu Avatar)
Requires Restart
Move the Thunderbird menu bar to the top. Choose from a selection of visual styles + colors. Add frequently used bookmarks and an avatar icon without wasting precious screen space. Bookmark your favorite sites, emails, folders or configuration pages.
Checkbox Column
Requires Restart
Adds a custom column to Thunderbird's messages list (thread tree), making it easier to select multiple messages on devices with a touchscreen display.
Vietnamese Dictionary
Enables spell checking in Vietnamese with a wordlist based on Hồ Ngọc Đức’s Free Vietnamese Dictionary Project.
Reply to Multiple Messages
Requires Restart
Add menu commands for replying to multiple messages at the same time.
Diccionario Ortográfico de Español Colombia
Este diccionario no constituye un diccionario de definiciones sino un diccionario destinado para la corrección ortográfica de Español Colombia (es-CO). Colombian spanish (es-CO) spellchecker.
Slovar za slovenski jezik
Toggle Folderpane View
Requires Restart
This addon provides a toolbar button for toggling between the "All" and "Favorite" views in the folderpane.
attachment column in search result list
Requires Restart
Show the column for attachments in search results list. General search (edit-> search -> search emails) does not show by default if a message has attachments.
This addon adds this column, just as in a normal folder view.
Mail Summaries
Requires Restart
Adds a summary of mail accounts and folders to replace the account central pane and the empty folder preview
WarnAttachment
WarnAttachment shows an additional dialog to confirm potentially dangerous attachments. Some attachments like executables etc. are completely blocked. This reduces the risk of malware especially for inexperienced users.
Archive This
Requires Restart
Provides keyboard shortcuts for filing messages into nine configurable "favorite" folders using user-defined keys. Also provides a simple filter system with a keyboard shortcut to file the currently selected message(s) into the correct folder.
Encrypt if possible
Requires Restart
Sets message security option "encrypt message", if valid X509 certificates are found for all recipients.
One-by-One Forward
Requires Restart
Highlight multiple emails, right-click, then select "One-by-One Forward". This extension will allow you to forward the selected emails, one-by-one, to the recipients you specify using your choice of attachment handling.
Greek - English (US) Spelling dictionary
Combined Greek - English (US) spell checking dictionary for Firefox - Thunderbird - Seamonkey
Mark All Read Button
Requires Restart
Adds toolbar buttons to Mark All emails as Read, Mark Thread as Read, and Goto Next Unread Thread.
QuoteCollapse
Requires Restart
Collapse and expand quotes.
Contributors: Stanimir Stamenkov, Dillinger
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