Error: 530 5.7.1 Client Was Not Authenticated

By Joseph Piggee Sr.

 

The is a common error Admins get, especially after a new install. After Server 2003, Microsoft has decided it will now secure everything by default. Thus the email server requires authentication.

The easiest way to handle this is to open your EMC (Exchange Management Console) and follow these steps.

1. Click Server Configuration.
2. Hub Transport.
3. Select the Default Receive Connector in the bottom pane.
4. Click the Permission Groups Tab
5. Place a checkmark next to ‘Anonymous users’
6. Click OK. You’re all set