Send the AUTH command Throw a MailException if we can't connect.
[Visual Basic] Public Function Auth( _ ByVal authtype As String _ ) _ Implements ISmtpProxy.Auth As SmtpResponse [C#] public SmtpResponse Auth( string authtype ); [C++] public: SmtpResponse* Auth( String* authtype ); [JScript] public function Auth( String authtype ): SmtpResponse;
the SMTP response