String org;
		int pos = from.Find('@');
		if(pos >= 0)
		{
			int start = ++pos, len = from.GetLength();
			while(pos < len && from[pos] != '>')
				pos++;
			org = from.Mid(start, pos - start);
		}
		else
			org << ipaddr;

		SendRecvOK(socket, "HELO " + org + "\r\n", trans_ptr);