This addon provides a conversation view for Thunderbird, grouping messages together and allowing you to reply "inline" thus providing a more efficient workflow.
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.
验证邮件的 DKIM 签名。
Archiviert E-Mails automatisch (Verbesserte Version vom "Autoarchive" Add-on)
Uploads your large attachments to your WebDAV account instead of sending them by email.
Upload large attachments to your Cloud and send the link by email
Persistent sticky notes for Thunderbird associated to mails.
In TB 78, you can define the note position in the settings. If you have a large screen, you can even display the notes outside of TB's main window, so it won't hide anything.