string GetHash(string Email)
{
Email = Email.ToLower();
var Md5 = new MD5CryptoServiceProvider();
var bytesToHash = System.Text.Encoding.ASCII.GetBytes(Email);
bytesToHash = Md5.ComputeHash(bytesToHash);
var result = String.Empty;
foreach(var b in bytesToHash) {
result = (result + b.ToString("x2"));
}
return result;
}