Supporting Messaging
Clients
Disable Authentication for Incoming
Messages
To disable authentication for incoming messages:
- Start System Manager
On the Start menu, point to
Programs, point to Microsoft Exchange, and then click
System Manager.
- Navigate to the SMTP
virtual server.
- Servers
- Server
- Protocols
- SMTP
- SMTP virtual servers
- SMTP virtual server
- Right-click the SMTP virtual server, and then click
Properties.
- On the Access tab, under Access control, click
Authentication.
- In Authentication, select Anonymous access, and
then click to clear the remaining check boxes for the other
authentication options.