SMTP Security
Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1
You can specify security settings for a Simple Mail Transfer Protocol (SMTP) virtual server on the two security tabs. These settings apply to all domains on the virtual server.
| Tab | Settings |
|---|---|
Security |
Designates the user accounts that have operator permissions to run the SMTP service. Operators have the ability to configure SMTP virtual server properties. |
Access |
Contains settings to require authentication and the use of Transport Layer Security (TLS) for all incoming connections. You can also grant or deny access to specific computers or networks. |
This section includes the following information:
Setting Operator Permissions: Describes how to assign and remove operator permission on SMTP virtual servers.
Requiring Authentication for Incoming Connections: Describes how to disable authentication for incoming messages, set clear text authentication for incoming messages, and use integrated Windows authentication to authenticate incoming messages.
Requiring Authentication for Outbound Messages: Describes how to disable authentication for outgoing messages, set Basic authentication for outgoing messages, and set Integrated Windows authentication for outgoing messages.
Setting IP Access Restrictions to Servers: Describes how to set IP address access restrictions.
Configuring SMTP Virtual Server Relay Restrictions: Describes how to add and remove relay restrictions from an SMTP virtual server.
Requiring TLS Encryption: Describes how to create and manage key certificates and how to set TLS encryption levels for the server.