I realize it is not proper netiquette (hopes to avoid that whole discussion/debate) - but there is a post in the roundcube forums for making such a change.
Go here: http://www.roundcubeforum.net/requests/598-signature-above-quoted-text-reply.html#post3200
Kevin L.
On Tue, May 19, 2009 at 3:14 PM, Sandro Pazzi <sandro@idweb.it> wrote:For starters. TOFU is not proper email.
> Hi all,
> it's possible to set a property for set signature and cursor before the
> message in a reply?
>
> When we replay many times to an email your new text is in the bottom and
> not good for reading.
>
> Thanks
>
http://www.massey.ac.nz/~tameyer/writing/quoting.html
Also, a standard conform signature is prefixed with "-- " which
better mail clients automatically strip on reply.
Till