Send the EHLO command
[Visual Basic] Function Ehlo( _ ByVal localHostName As String _ ) As EhloSmtpResponse [C#] EhloSmtpResponse Ehlo( string localHostName ); [C++] EhloSmtpResponse* Ehlo( String* localHostName ); [JScript] function Ehlo( String localHostName ): EhloSmtpResponse;