module Roda::RodaPlugins::ErrorEmail

def self.configure(app, opts={})

Set default opts for plugin. See ErrorEmail module RDoc for options. 
def self.configure(app, opts={})
  email_opts = app.opts[:error_email] ||= DEFAULTS
  email_opts = email_opts.merge(opts)
  unless email_opts[:to] && email_opts[:from]
    raise RodaError, "must provide :to and :from options to error_email plugin"
  end
  app.opts[:error_email] = email_opts
end