Extensions by Name

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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
4 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
1 user

Serial Letter Requires Restart

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
89 users

Set Default Columns Requires Restart

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

Rated 3 out of 5 stars (3)
82 users

setenv

Automatically set environment variables based on preferences.

Not yet rated
6 users

Seturgent Requires Restart

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)
64 users

Shedule Filters Requires Restart

Sheduled run message filters

Запуск фильтров сообщений по расписанию

Rated 5 out of 5 stars (1)
153 users

Shift Box Requires Restart

Replay your INBOX!

Not yet rated
63 users

Shift-Delete Controller Requires Restart

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

Rated 3 out of 5 stars (9)
212 users

Show Address Requires Restart

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)
258 users

Show Address Only Requires Restart

Adds columns to display Sender/Recipients mailaddress only.

Rated 4 out of 5 stars (27)
3,701 users

Show All Body Parts

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

Rated 5 out of 5 stars (18)
8,185 users

Show Calendar Week Requires Restart

Shows the calendar week Thunderbird/Lightning calendar's moth and multi-week view.

Rated 5 out of 5 stars (6)
2,014 users

Show Fixed-width Temporarily Requires Restart

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

Rated 4 out of 5 stars (3)
278 users

Show InOut Requires Restart

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 (42)
2,337 users

Show Password On Input Requires Restart

Gives an option to show the master password on input

Rated 4 out of 5 stars (11)
833 users

Show SMTP Username Requires Restart

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

Rated 1 out of 5 stars (1)
42 users

ShowIP Requires Restart

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 (276)
34,882 users

Shrunked Image Resizer Requires Restart

Make your photos smaller, so they don't take forever to email or send to websites.

Rated 4 out of 5 stars (34)
8,695 users