驗證電子郵件的 DKIM 簽章。
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.
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.
Upload large attachments to your Cloud and send the link by email
Archiviert E-Mails automatisch (Verbesserte Version vom "Autoarchive" Add-on)
Uploads your large attachments to your WebDAV account instead of sending them by email.