I have one DS-2CD2132F-IS inherited from the previous owner of my house. The camera is running under Firmware 5.4.42 build 171030. It is set for both line crossing and intrusion detection. It has been working more or less OK for the last year and I have been receiving email alerts when events occur. I rarely access the camera either through the iVMS-4200 software or browser, only doing so if there's a problem, such as once after a powercut, and initially to tweak the settings for event...
Email alerts suddenly stopped
Email alerts suddenly stopped