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Veilig Verzenden Thunderbird Add-on (via Zorgmail)

Met deze add-on verstuur je met één klik e-mail via je Zorgmail-account.

Not yet rated
1 user
Updated June 11, 2025

SmartTemplates Featured

SmartTemplates offers an easy and powerful way to automatically create customized replies by auto-inserting various mail headers. Templates can be created for every mail identity, Stationery files can now be imported and used directly.

Rated 4 out of 5 stars (81)
3,895 users
Updated June 11, 2025

Date Time Formatter

Shows relative date-time in the column.
Note: you need to click "Select columns to display" and then -> "Relative Date/Time"

Rated 5 out of 5 stars (2)
112 users
Updated June 11, 2025

Automatic Dictionary

Remembers the language you use with a person or group of people, and switches the spellchecker language automatically for you next time. You do not have to do it manually any more. It remembers and switches it for you.

Rated 5 out of 5 stars (50)
3,327 users
Updated June 11, 2025

Mail Merge

Create and Save or Send Multiple Individual and Personalized Messages from a Draft

Rated 5 out of 5 stars (236)
75,211 users
Updated June 10, 2025

Link Check

フィッシングメールの対策として
主に、メール内のリンク先のドメインをチェックし、
安全性を確認する。

Check the domain of the link in the email.

Not yet rated
3 users
Updated June 10, 2025

CardBook Featured

A new Thunderbird address book based on the CardDAV and vCard standards.

Twitter: @CardBookAddon

Rated 4 out of 5 stars (490)
66,418 users
Updated June 10, 2025

Thunderbird Vericode

Automatically detects verification codes in received emails and displays a notification that you can click to copy the code to clipboard.

Rated 5 out of 5 stars (1)
6 users
Updated June 10, 2025

CrossBorderScam-Canceler

This add-on (CrossBorderScam-Canceler) filters fraudulent emails by focusing on the location of the received email and analyzing the header information of the opponent's email and the links in the email body.(view in English, Japanese or German)

Not yet rated
35 users
Updated June 10, 2025

Thunderbird Assist

[Closed Alpha Testing] Thunderbird assist provides a summary of new messages in your inbox.

This add-on is undergoing testing and not yet available to the general public.

Not yet rated
14 users
Updated June 10, 2025

Lightning Calendar Tabs

Displays tabs which allows quick navigation between time periods in Lightning calendar. All views of calendar are supported. Color of tab texts can be adjusted.

Rated 4 out of 5 stars (25)
25,473 users
Updated June 9, 2025

*cloud - FileLink for Nextcloud and ownCloud Featured

Upload large attachments to your Cloud and send the link by email

Rated 5 out of 5 stars (54)
37,422 users
Updated June 9, 2025

Allow HTML Temp

Allows to have HTML temporarily enabled (and displayed) in the currently selected message by only one click. When switching to another message, it'll be shown automatically again in plain text or simple html mode (according to your settings).

Rated 4 out of 5 stars (89)
10,336 users
Updated June 8, 2025

Owl for Exchange

Allows you to use your Exchange and Office365 email account with Thunderbird using Outlook Web Access (OWA).

Rated 5 out of 5 stars (213)
47,119 users
Updated June 6, 2025

Clippings for Thunderbird

Save frequently-entered text for pasting later.

Rated 4 out of 5 stars (8)
1,953 users
Updated June 5, 2025

Correct Identity

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

Rated 4 out of 5 stars (119)
2,156 users
Updated June 5, 2025

Birdbox

Maintain your favorite websites as spaces within Thunderbird

Rated 5 out of 5 stars (2)
46 users
Updated June 3, 2025

Send Later

True "Send Later" functionality to schedule the time for sending an email.

Rated 5 out of 5 stars (267)
116,550 users
Updated June 3, 2025

DKIM Verifier Featured

Verifies the DKIM-Signature of an e-mail.

Rated 4 out of 5 stars (52)
25,334 users
Updated June 3, 2025

QNote

Add sticky notes to your emails with this feature-rich, drop-in replacement for the XNote++ extension.

Rated 5 out of 5 stars (66)
6,022 users
Updated June 1, 2025