Nowadays, we are not sure the email address provided by others is valid or not. E-AddChecker provides the function for user to check whether it is an valid email address. It provides single email address checking or multi-checking at once. User could update the invalid email address from their mail list. The E-AddChecker 1.5 enhanced the language support. Now it supports English, Tranditional Chinese and Simplified Chinese. Tag:valid email address batch mail server TCPIP NSLOOKUP Checking