Tell Mountain Lion (non-Server) users how to get sendmail running

detect_sendmail.rb

if RUBY_PLATFORM.include? "darwin"
  unless File.exists? "/Library/Server/Mail/Data/spool"
    puts "***********************************************************************"
    puts "Hey there Mountain Lion user - your computer isn't set up to send email"
    puts "You need to open a Terminal and execute these commands:"
    puts ""
    puts "sudo mkdir -p /Library/Server/Mail/Data/spool"
    puts "sudo /usr/sbin/postfix set-permissions"
    puts "sudo /usr/sbin/postfix start"
    puts "***********************************************************************"
    exit
  end
end