gistfile1.txt

main.rb
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get '/' do
  raise "explode!"
end

mailexceptions.rb
---------------------------------------------
    def call(env)
      status, headers, body =
        begin
          require 'ap'                #awesome_print gem
          ap 'in the begin block'        
          @app.call(env)
        rescue => boom
          ap 'in the rescue block'    # I don't see this in the server log
          send_notification boom, env
          raise
        end
      send_notification env['mail.exception'], env if env['mail.exception']
      [status, headers, body]
    end