Helo command rejected: need fully-qualified hostname

ISSUE:

Delivery failed error message from remote server: Helo command rejected: need fully-qualified hostname.

SOLUTION:

If you receive the above message, follow the steps below to resolve the issue:

1. Get the properties for My Computer, next click the tab; Network Identification.

2. Click the properties button

3. Under Computer name specify the HOST / Computer (example; mail)

4. Next click the More button

5. Where it says, "Primary DNS suffix of this computer; enter your primary domain name.

6. Click OK and OK again

Now full computer name is: mail.domain.com

** You may have to restart the system**

KEYWORDS: WM3, HELO, HOSTNAME