Actually funny you should mention that...I submitted some Celeste 
enhancements some time ago that added just such an option (an extra button
on the compose window, actually... "send now" and "queue for sending later").

:)

> 
> On Wed, 1 Nov 2000, Bob Arning wrote:
> 
> > The message is still implemented in my image, but you are right that
> > it does cause an error here. A fix is enclosed below. I'll ask Dan to
> > put it in the update stream.
> 
> You know, I "sent this changeset to list" with the same fix a couple of
> hours ago. Wondering why it didn't make it, I tried again, and only then I
> remembered that one has to explicitely "send queued mail" in Celeste ...
> 
> Maybe it would be better for the occasional Celeste user (like me) to have
> it not defer sending by default? Maybe by popping up a menu "Send now or
> queue"?
> 
> -- Bert
>