Everyone can send mail from the server without authorization. I think that relaying is opened on my server. How can I stop it?
Tag Archives: telnet
Vista: Installing the Telnet Client
By default, Vista doesn’t install the Telnet client. The client is for text-based communication with remote systems. You can install it by following these steps: 1. Click Start then selectControl Panel. 2. Select Programs and Features. 3. Select Turn Windows features on or off. 4. Select the Telnet Client option. 5. Click OK. 6. A dialog box will appear to confirm …