Add-ons

Show InOut by Günter Gersdorf

Adds some columns to the tableview. One shows an indicator wether a mail is incoming or outgoing, other shows the sender, the recipient(s) or the correspondent(s). Columns can be shown as name only, address only or both.

Sender Name by Takahiro Shinagawa

ThunderBayes by Daniel Miller

SpamBayes integration for Thunderbird - a better spam filter.

Text2Link by Jeffrey Morgan

Text2Link is a simple and easy-to-use way to copy the text of a link, or to open URLs and send emails to addresses not marked-up as HTML links.

Country Lookup by FrederikVds

Looks up the origin country and city of an e-mail message, using the IP address.

Clean Subject by sbiz

"Clean Subject" cleans the subject from multiple occurrences of subject prefixes such as ("Re: Re-2: Re:") and postfixes that are inserted by other clients. Words like "[SPAM]" can be cleaned as well. These prefixes can be defined in the preferences.

Equations by Josh Eads

Insert inline LaTeX equations into e-mail messages.

eMarks by Francisco Herrera

Email Bookmarks are here ! ... eMark your important emails.

Do you have an email that will need to revisit/attend later on ? Would you like to keep it handy and get it with a simple click ? Bookmark your important emails with the eMarks addon.

ConfirmFolderMove by Ryan Lee

Introduces a preference that allows users to be prompted before moving folders.

OrderAtt by LeJav

OrderAtt allows you to re-order the attachments list.

Attachment Sizes by Frank DiLecce

Ability to see attachment sizes ...

Buttons! by chuonthis

Adds buttons to the Thunderbird toolbars such as Next! and Previous! buttons for navigating through all messages instead of just unread ones. See homepage for more...

Gather the senders ! by Fabien Arcellier

Select all the mails in a directory sent by the selected authors.

Message Archive Options by Andrew Williamson, Christopher Leidigh

Adds the ability to customise the date format of the archive folders created by TB's Archive Message function

Smilie Inserter by Christian Wolf

Insert smilies in messages...