<A target="_blank" href="http://www.prweb.com/releases/2011/8/prweb8714539.htm">Tonsho is a large-file transfer email service from RossTech that lets users send files</A> of up to 5GB using the Tonsho web service or 100MB from their email program. Tonsho have now released a new plugin for Microsoft Exchange to process attachments.