Add-ons
Message Composition
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Colored Recipient Type
Requires Restart
Customize background-color of the recipient address fields for each recipient types of To:, Cc:, Bcc:.Customize background-color of the recipient address fields for each recipient types of To:, Cc:, Bcc:.
Stop Ignoring Reply:To
Requires Restart
Default "Reply" functionality pays attention to "Reply-To" in original email
One-Click Forward
Forward emails directly through a dropdown of predefined recipients.
Configure recipients in settings. Use the message toolbar button "Quick Forward" to open a dropdown with your recipients and forward directly, or hold Shift to edit first.
Single Domain
Warns if you send mail from or to a specified domain. If there are multiple accounts in your profile, you can isolate one so that you can't send mail to that domain from outside or vis versa without warning.
Paste code
Thunderbird addon creating a context menu option that pastes code beautifully in HTML messages
CatchAll Bird
This extension improves the use of CatchAll-Addresses with Thunderbird.
It handles incoming messages addressed to all [email protected] for a fixed domain.
For each prefix the AddOn can create a new identity and folder.
Toggle Address Box
Adds a Address Box button, toggles the Address Box in the Composer window
sms77
FDK KIM Plugin
Dieses Plugin setzt automatisch die KIM-Header und den Betreff passend zu ihrem Anhang.
Anhängen werden analysiert und falls genau eine valide p7s Datei erkannt wird, werden die entsprechenden Daten automatisch gesetzt.
Recently
Recently is a small Mozilla Thunderbird extension for having the most recent contacts at hand
DL for Thunderbird
Requires Restart
Allows to convert large attachments to links automatically without 3rd party providers.
Reply with subaddress
Reply to a message that was sent to a subaddess with the same address.
Example: Your primary email is [email protected], you receive a mail to the subaddress [email protected], the sender of replies is set to [email protected].
MEGAbird
Sensitivity Header
Requires Restart
Implement the "Sensitivity" header for outgoing messages (described in RFC 4021 section 2.1.55).
This allows the user to select Private / Personal / Company-Confidential (or none) for an outgoing message.
No longer maintained: See below.
Path Linker
BorderColors GT
Requires Restart
How many time you sent an email from your wrong email address?
This add-ons allows you assign a different color to the compose window border for each of your email addresses. So you can immediately view from what account are you writing.
Estimate your CO₂
Estimate your CO₂ when composing an email with just one click! While writing it, click on the extension to find out the CO₂e emission generated by the entire life cycle. You will also have access to various useful equivalences.
Typical Reply
Requires Restart
Provides ability to send/receive typical replies in a team.Provides ability to send/receive typical replies in a team.
ShowContactFoto
Displays the contact photo/image/picture of the sender/recipients while reading/composing message.
Images are taken from local image files or Address Book (see addon's options page).
To create your own collections, you must have a Mozilla Add-ons account.
