271Parameter FunctionAnonymity For the server supports the anonymity function. You can autologin anonymously. You do not need to input the user name.password and the sender information.User Name The user name of the sender email account.Password The password of sender email account.Sender Sender email address.Authentication(Encryptionmode)You can select SSL or none.Subject Input email subject here.Attachment System can send out the email of the snapshot picture onceyou check the box here.Receiver Input receiver email address here. Max three addresses.It supports SSL, TLS email box.Interval The send interval ranges from 0 to 3600 seconds. 0 meansthere is no interval.Please note system will not send out the email immediatelywhen the alarm occurs. When the alarm, motion detection orthe abnormity event activates the email, system sends out theemail according to the interval you specified here. Thisfunction is very useful when there are too many emailsactivated by the abnormity events, which may result in heavyload for the email server.Health mailenablePlease check the box here to enable this function.Update period(interval)This function allows the system to send out the test email tocheck the connection is OK or not.Please check the box to enable this function and then set thecorresponding interval. The value ranges from 30 minutes to1440 minutes.System can send out the email regularly as you set here.Email test The system will automatically sent out a email once to test theconnection is OK or not .Before the email test, please save theemail setup information.5.8.2.11 UPnPIt allows you to establish the mapping relationship between the LAN and the public network.Here you can also add, modify or remove UPnP item. See Figure 5-38. In the Windows OS, From Start->Control Panel->Add or remove programs. Click the “Add/RemoveWindows Components” and then select the “Network Services” from the Windows ComponentsWizard. Click the Details button and then check the “Internet Gateway Device Discovery and Control client”and “UPnP User Interface”. Please click OK to begin installation. Enable UPnP from the Web. If your UPnP is enabled in the Windows OS, the NVR can auto detect itvia the “My Network Places”