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Send Format LDAP Requires Restart

Gets supported email formats (text/HTML) by the recipients from LDAP directories.

Not yet rated
4 users

Send Later Requires Restart

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

Rated 5 out of 5 stars (77)
65,434 users

Send Later Button Requires Restart

A simple button to invoke the (already existing) send later functions.

Not yet rated
2,637 users

Send to MyInfo Requires Restart

Sends text selection or current web page URL to MyInfo.

Not yet rated
75 users

Send to xNode Requires Restart

Sends content to xNode for analysis. Provides information on domain names, IP addresses, eMail addresses, certificates and much more.

Rated 5 out of 5 stars (1)
38 users

Sender Address Columns Requires Restart

Adds optional columns to the Thread Pane to allow sorting email messages by:
* Full sender address -- e.g. "someone@example.com"
* Sender's domain -- e.g. "example.com"
* Sender's local part -- e.g. "someone"
* Sender's TLD -- e.g. ".com"

Rated 5 out of 5 stars (3)
178 users

Sender Frequency Requires Restart

Adds a custom column for Sender Frequency to the thread pane

Rated 4 out of 5 stars (3)
77 users

Sender Name Requires Restart

Rated 4 out of 5 stars (40)
2,332 users

Sender Verification Anti-Phishing Extension Requires Restart

Protects you from phishing attacks by verifying the From: address domain name of emails as you read them. Sender Policy Framework (SPF) and DNS-based reputation lists are used.

Rated 4 out of 5 stars (20)
858 users

SenderFace Requires Restart

SenderFace enables you to associate images (faces) with Email senders (from...

Rated 3 out of 5 stars (10)
110 users

SendTools Requires Restart

Add SendAt option to the compose window to allow sending a message on a particular date and...

Rated 3 out of 5 stars (25)
123 users

SendToSecondEmail Requires Restart

This Extension lets you send Mails to both, first and second email address...

Rated 5 out of 5 stars (1)
39 users

SendVia Requires Restart

Sometimes you need to select a specific SMTP server for sending the current message? Then SendVia is for you.

SendVia provides the `Send' button of message composition windows with a drop-down menu from which you can select or create the SMTP server...

Rated 4 out of 5 stars (12)
232 users

SendWithoutSubject Requires Restart

Send without subject and without confirmation alert

Rated 3 out of 5 stars (11)
280 users

Sensitive Attachment Guard Requires Restart

A Thunderbird add-on censor sensitive attachments (currently Microsoft Office documents) from being sent to unintended recipients.

Not yet rated
1 user

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.

Rated 4 out of 5 stars (1)
52 users

Sensitivity Header + SPX Requires Restart

Implement the "Sensitivity" header for outgoing messages (described in RFC 4021 section 2.1.55).
Forked from another add-on developed by ff_bob, added SPX header for Sophos security appliances

Not yet rated
10 users

Sent-By-User column Requires Restart

Adds a new column in message list-view, that will display the name of the user who sent the mail (read from a message header).
Manual configuration required. ONLY FOR THUNDERBIRD.

Rated 5 out of 5 stars (1)
36 users

sepsis-console Requires Restart

A general-purpose JavaScript console for all Mozilla toolkit applications.

Not yet rated
3 users

sepsis-console (Deprecated) Requires Restart

THIS VERSION IS DEPRECATED. Use https://addons.mozilla.org/en-US/developers/addon/sepsis-console instead. See the description below.

sepsis-console is a general-purpose JavaScript console for all Mozilla toolkit applications.

Not yet rated
2 users