private void HandleNewMail(TcpClient client) { string username = _user; byte[] lengthByte = new byte[4]; _stream.Read(lengthByte, 0, 4); var length = BitConverter.ToInt32(lengthByte, 0); byte[] data = new byte[length]; _stream.Read(data, 0, length); var message = new NewMailMessage(); message.Deserialize(data); User requestingUser = _usersList.Find((user) => user.username == username); List<User> legitUsers = CheckRecieverUsersExsitanceAndFreeSpace(message.DestinationList, requestingUser); Mail newMailForUsers = new Mail(message.SenderName, message.Time.ToString(), legitUsers, message.Subject, message.Body); HandleSendingMail(newMailForUsers); }