Unfortunately, that's not possible, but we will try to see if there is a workaround to enable such option in Thunderbird and if so - add it in future updates.
You're welcome to add a request for such option to our Votebox: http://todoist.com/Vote/
Hi , is there any update on this request? I would be interested in it as well.
There has been no updates as of yet on this.
Hi, it will be convenient to make panel be on right side, do you have any updates?
We sadly don't have any news regarding this request yet.