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Mail Merge

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

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65 099 uživatelů

DKIM Verifier Doporučené

Verifies the DKIM-Signature of an e-mail.

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17 644 uživatelů

Check and Send

Check the message contents and addresses before you send the message...

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20 577 uživatelů

Confirm-Address

メールを送信する前にあて先確認ダイアログを表示するThunderbirdアドオンです。

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21 080 uživatelů

FlexConfirmMail

Confirm mail address and attachments based on flexible rules.

(This project was renamed from "Flex Confirm Mail" to "FlexConfirmMail", due to a branding reason.)

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21 972 uživatelů

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).

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10 280 uživatelů

Identity Chooser

Identity Chooser helps you to always use the correct identity when composing a new email.

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6 065 uživatelů

Correct Identity

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

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2 107 uživatelů

WarnAttachment

WarnAttachment zeigt einen zusätzlichen Dialog um das Öffnen von gefährlichen Anhängen zu bestätigen. Einige Anhänge wie z.B. .exe-Dateien werden komplett geblockt. Dies reduziert das Malware-Risiko besonders für unerfahrene Benutzer.

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3 224 uživatelů

Unmangle Microsoft ATP Safelinks

Users of outlook.com and o365 who have Advanced Thread Protection enabled will have all URL's in emails changed to redirect them to an Microsoft filter before opening. This is a bad idea.

This plugin will change the URL back to the original value.

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712 uživatelů

EuropeanMX Spam Reporter

Train your EuropeanMX filter by reporting unrecognized spam back to us.

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218 uživatelů

Paranoia

Check if your emails arrived TLS-encrypted (and which corporations were able to read it nevertheless)

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640 uživatelů

TORPEDO - TOoltip-poweRed Phishing Email DetectiOn

TORPEDO ist ein Tool zum Erkennen von betrügerischen Links (Phishing). Bewegen Sie die Maus über einen Link in einer Email. TORPEDO zeigt Ihnen die tatsächliche Webadresse in einem Tooltip an und hilft Ihnen, diese zu untersuchen.

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1 292 uživatelů

Rspamd-spamness

Rspamd spam filtering system score visualization.

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987 uživatelů

MailHops

MailHops maps the route an email took to get to you. Displaying the senders location, weather, user-agent and authentication used.

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2 375 uživatelů

Zivver for Thunderbird

This extension automatically detects Zivver messages and decrypts them on-the-fly using the Zivver API. Messages are decrypted only when actively displayed by the user and are never stored locally.

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10 uživatelů

EagleCloud Extension

Works along with EagleCloud Information Security product to secure sensitive information based on company policy.

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4 uživatelé

Safelinks Cleanup

Cleans up Outlook’s “safelinks” tracking.

Minimal code to allow for easy auditing of the add-on. The only code is:
https://github.com/Cimbali/safelinks-cleanup/blob/main/src/background.js

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33 uživatelů

Just Verify It

Just Verify It is a Thunderbird add-on that automates the scanning of email attachments with VirusTotal for malware. With over 50 antivirus engines, it provides reliable and quick results, ensuring the safety of your digital assets.

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475 uživatelů

ProtonMail Encryption Status

When using ProtonMail Bridge to integrate Mozilla Thunderbird withProtonMail, it's not easy to tell which emails were end-to-end (E2E) encrypted. This add-on puts an icon in the toolbar above every message to show you its encryption status.

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658 uživatelů