randomEmail = function()
local chars = 'abcdefghijklmnopqrstuvwxyz0123456789';
math.randomseed(os.clock());
local length, result = math.random(8, 15), '';
for a = 1, length do
local pos = math.random(1, #chars)
result = result .. string.sub(chars, pos, pos)
end
return result .. '@cxc.com';
end