Posted on 15th January 2014 by melyn Rivbost is the Cornish word for e-mail Yes, e-mail in Cornish is rivbost Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Ankompes is the Cornish word for unevenNext post: Ganowek is the Cornish word for big-mouthed