On Fri, Mar 8, 2013 at 11:25 AM, gregrwm <tclug1 at whitleymott.net> wrote:
> google recommends: "Do not save deleted messages to your [Gmail]/Trash
> folder because this will delete a message in all folders."
>
> but where does thunderbird hide that setting?  i think i recall seeing that
> setting during initial setup, but now can't find it to revisit it..

Accounts > Server Settings > "When I delete a message"