Email essentials

by Parmus

7 Add-ons in this Collection

Enigmail by Patrick Brunschwig

Rated 4 out of 5 stars 197 reviews

139,284 users

OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.

United States English Spellchecker by jooliaan

Rated 3 out of 5 stars 168 reviews

387,461 users

United States English Spellchecker for Firefox, Thunderbird and SeaMonkey by Kevin Atkinson and Geoff Kuenning.

To enable, right-click in a multi-line text box, select "Languages", then "English (United States)".

Quicktext by WizKid, R Kent James

Rated 4 out of 5 stars 297 reviews

91,668 users

Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.

British English Dictionary by Mark Tyndall

Rated 3 out of 5 stars 404 reviews

134,869 users

British English Dictionary R1.19 for Firefox, Thunderbird and SeaMonkey by David Bartlett.

To enable, right-click in a multi-line text box, select "Languages", then "English / United Kingdom".

Danish Dictionary for the Spell Checker by MozillaDanmark, Foreningen for frit tilgængelige sprogværktøjer

Rated 3 out of 5 stars 22 reviews

17,271 users

Danish dictionary for Firefox, Thunderbird and other Mozilla products.

Display Quota by Arnaud Abelard

Rated 4 out of 5 stars 29 reviews

35,880 users

This extension will display the current status of your IMAP quota in thunderbird's statusbar and will warn you when you reach a configurable limit...

Dictionary Switcher for Thunderbird by Dao Gottwald, MrWarper

Rated 4 out of 5 stars 26 reviews

6,559 users

Toggles spelling dictionaries automatically or manually and displays the currently selected one in the status bar.
Now merged with Dictionary Switcher v1.3 for Firefox/SeaMonkey

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