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SendVia

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)
348 users

SendWithoutSubject

Send without subject and without confirmation alert

Rated 4 out of 5 stars (10)
260 users

Sensitive Attachment Guard

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

Not yet rated
2 users

Sent-By-User column

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)
47 users

sepsis-console

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

Not yet rated
9 users

sepsis-console (Deprecated)

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
3 users

Serial Letter

Provides the ability to start writing a template-derived letter directly from within the address book. Supports also multiple recipients. Supports only TeX and similar systems at the moment.

Not yet rated
109 users

Set Default Columns

Provides ability to set default visibility of columns in the thread pane.

Not yet rated
30 users

setenv No Restart

Automatically set environment variables based on preferences.

Not yet rated
13 users

Seturgent

Sets the urgent flag (X11) of the Thunderbird window under Linux in case of new messages. Does ignore special folders like Drafts, Junk and such.

Rated 5 out of 5 stars (2)
53 users

Shift Box

Replay your INBOX!

Not yet rated
68 users

Shift-Delete Controller

Controls shift-delete button behavior. Confirmation dialog is optionally displayed in user defined...

Rated 3 out of 5 stars (9)
268 users

Show Address

Shows the Sender/Recipient Mailaddress in the Mail List. Normaly, only the Name is displayed, which is wrong on most Spam Mails. Now you also can clearly see which of your Mail Addresses was used, extremly usefull if you are using a chatch-all...

Rated 4 out of 5 stars (22)
371 users

Show Address Only

Adds columns to display Sender/Recipients mailaddress only.

Rated 4 out of 5 stars (21)
2,643 users

Show All Body Parts No Restart

Enable the View | Message Body As | All Body Parts message display mode.

Rated 5 out of 5 stars (16)
7,312 users

Show Fixed-width Temporarily

Show the current plain text message in fixed-width text.

Rated 4 out of 5 stars (3)
338 users

Show InOut

Adds two columns to the list of mails. One shows an indicator wether a mail is incoming or outgoing, the other shows the sender or the recipient of the mail respectively...

Rated 5 out of 5 stars (37)
2,723 users

Show Password On Input

Gives an option to show the master password on input

Rated 4 out of 5 stars (11)
1,146 users

Show SMTP Username

Displays username (if available) next to SMTP...

Rated 1 out of 5 stars (1)
55 users

ShowIP

Show the IP address of the current page in the status bar. It also allows querying custom information services by IP (right click) and see location and avaiable vouchers for shopping sites. Additionally you can copy the IP address to the clipboard.

Rated 3 out of 5 stars (284)
85,359 users