Extensions by Name
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.
sepsis-console Requires Restart
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.
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.
Set Default Columns Requires Restart
Provides ability to set default visibility of columns in the thread pane.
Automatically set environment variables based on preferences.
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.
Shedule Filters Requires Restart
Sheduled run message filters
Запуск фильтров сообщений по расписанию
Shift Box Requires Restart
Replay your INBOX!
Shift-Delete Controller Requires Restart
Controls shift-delete button behavior. Confirmation dialog is optionally displayed in user defined...
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...
Show Address Only Requires Restart
Adds columns to display Sender/Recipients mailaddress only.
Enable the View | Message Body As | All Body Parts message display mode.
Show Calendar Week Requires Restart
Shows the calendar week Thunderbird/Lightning calendar's moth and multi-week view.
This add-on is not compatible with your version of Thunderbird because of the following:
- Add-on has opted into strict compatibility checking.
Show Fixed-width Temporarily Requires Restart
Show the current plain text message in fixed-width text.
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...
Show Password On Input Requires Restart
Gives an option to show the master password on input
Show SMTP Username Requires Restart
Displays username (if available) next to SMTP...
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.