Persistent sticky notes associated to emails. You can fulltext search with constraints/email them/print/bookmark/copy to clipboard.
If you have a large screen, you can even display the notes outside of TB's main window, so it won't hide anything.
This addon provides a conversation view for Thunderbird, grouping messages together and allowing you to reply "inline" thus providing a more efficient workflow.
A new Thunderbird address book based on the CardDAV and vCard standards.
SmartTemplates offers an easy and powerful way to automatically create customized replies by auto-inserting various mail headers. Templates can be created for every mail identity, Stationery files can now be imported and used directly.
Archiviert E-Mails automatisch (Verbesserte Version vom "Autoarchive" Add-on)
Upload large attachments to your Cloud and send the link by email
驗證電子郵件的 DKIM 簽章。
Uploads your large attachments to your WebDAV account instead of sending them by email.