Please download and install the latest version of WebCam Monitor (3.48) from: https://www.deskshare.com/wcm.aspx The new version contains enhanced help messages when you try to send a test e-mail. It also gives you an option to view an e-mail log so you can quickly find the problem. Some of the problems that you can diagnose by viewing the e-mail log are: Outgoing Mail Server User Name and Password authentication. Invalid or misspelled Mail Server name and IP addresses. Send e-mail denied due to blocked IP addresses. Blocked relay ports on mail servers.