Add adressbook button to "mode toolbar" (requires lightning extention)
Change priority of the received messages from the toolbar button and the context menus...
Protects you from phishing attacks by verifying the From: address domain name of emails as you read them. Sender Policy Framework (SPF) and DNS-based reputation lists are used.
Allows copying attachments to the clipboard
The Remember Mismatched Domains extension for Firefox and Thunderbird adds a "Don't warn me again about this certificate for this domain" checkbox to the Domain Mismatch and Expired Certificate warning windows. When selected the domain...
Introduces an option to specifically set which folder manually marked junk will go to per account.
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...
This Thunderbird extension adds a button (plus keyboard shortcut) which allows for quickly switching between the 'view all'/'view unread' message filters. Moreover, if you are in the 'view unread' mode and you start...
Resizer for inline and attachment images (only JPEG format).
For Windows only.
Adds 'Delete Mail Marked as Junk' to folders' right click...