[imp] how to remove tag line from send email using imp

[robert]

Quoting Wahid Sharif <wahid.sharif at placemark.com>:


> I am recently started using horde/imp for our webmail.  I would like to
> remove the tag "This message was sent using IMP, the Internet Messaging
> Program" from the sent mails footer.  Does anyone know how to remove that?
> Any help will be appreciated.


imp/config/trailer.txt or imp/config/conf.php