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Search IP
Requires Restart
This plugin adds three links to Firefox's context menu that lookup the selected IP address at Project Honey Pot, Utrace, spamhaus, senderbase,...
IMAP Draft Unread
Requires Restart
This is a Thunderbird addon that lets you customize the behavior of the IMAP draft unread messages. No more new mail notifications for your drafts!!
ThunderSec
Requires Restart
ThunderSec is a security extension that provides several pieces of additional security functionality, including DNS-based Blackhole List (DNSBL), Realtime Blackhole Lists (RBL), DomainKeys Identified Mail (DKIM) and Sender Policy Framework (SPF).
QuickMultiselect
Requires Restart
Adds a column with checkboxes so that you can select multiple messages with only a mouse click.
ICS Inspector
Requires Restart
This extension provides many debugging options related to calendar development. This includes showing the ics data for an event or calendar, evaluating javascript on an event or calendar, and some menu options for debugging.
Check Attachment before Send
mozCleaner
Cleans your Firefox, Thunderbird, SeaMonkey, Fennec (unstable), Instantbird and BlueGriffon.
MailSentry IronPort Spam Reporter
Requires Restart
Report spam and ham to IronPort - originally written for our MailSentry hosted IronPort customers, it can be used by anyone who has their email filtered by an IronPort appliance.
Join-NG
Requires Restart
Join partial messages. Somewhat similar to MS Outlook Express "combine and decode".
Dcurrency
Requires Restart
Currency exchange rates in the status bar (data from Yahoo!Finance or Google on option).
Display currency graphs.
SmtpSelect
Requires Restart
A toolbar button providing easy access to choosing the default SMTP server in Thunderbird.
Empty 'em
DisableChunks
Requires Restart
The addon modifies the mail.imap.min_chunk_size_threshold preference value by setting it to 100000000.
It is a workaroud to bug 1216951
MultiLDAP2
Requires Restart
Based on TrustedBird/MiliMail work. Patched to work with lastest Thunderbird.
Permits to use several LDAP directories simultaneously for address autocompletion.
Reply Monitor
Requires Restart
**This is NOT COMPATIBLE with Thunderbird 31 or newer versions**
Keep track of your emails and replies (Lightning is required).
Note: the name of this add-on has been changed to Reply Monitor because the previous name is a registered trademark.
Native AdBlocker
Disable "You"
Requires Restart
Addresses in the From/To/Cc headings are since Thunderbird 3 replaced with word "You" if they match any of your identities. This extension disables this function.
To create your own collections, you must have a Mozilla Add-ons account.
