Most network administrators are apt to here this complaint at least once a week. “I’ve been getting a lot of junk email lately, isn’t there anything you can do to stop it?”.
Well before you might have thought you were lost in the water without spending thousands on some 3rd party software like Symantec Mail Security or some like product. Which most likely doesn’t fit in your budget this quarter. So I’m here to introduce to you a way to nearly eliminate all spam from your organization. As long as you are running Exchange that is.
First so that you have a better understanding how this works I’m going to tell you a little about spammers and how they evade detection. There are actually a couple of methods. Either they are running their own server and just sending spam from it, this is highly unlikely. Or they could be relaying off of some poor system administrator who doesn’t know how to disable his SMTP server from being an open relay, most common. Lastly they could just be using a server on the net that actively allows people to send emails via SMTP anonymously and freely.
Well systems engineers out there have...