Question : Step-by-step: How to disable SMTP commands TURN and ETRN (Windows Server 2003)?

After performing security scans, we found that our server's SMTP commands TURN and ETRN are enabled. We have been recommended to disable TURN, and ETRN as well.

I'm a little bit lost here, could you please show me, step-by-step, the right way to disable SMTP commands TURN and ETRN, in Windows Server 2003?

Thanks in advance for the help!

Answer : Step-by-step: How to disable SMTP commands TURN and ETRN (Windows Server 2003)?

http://support.microsoft.com/kb/258292

Not sure if you would have any problems keeping TURN/ETRN active however, unless you are a relaying server for third party dialup domains i nthe first place.