Send and Archive is a simple and lightweight Thunderbird add-on that provides a button in the Compose window which lets you send the message, then automatically archive it.
In other words, Send and Archive will instantly archive the original message after sending a reply.
Send and Archive is cross-platform and it works on Mac OS X, Windows and Linux.
· Thunderbird 5.0 and later
What's New in This Release: [ read full changelog ]
· Fix enabling/disabling the Send and Archive command under certain situations.