Exchange Server 2003 Client-Level Security Enhancements

As mentioned earlier, Exchange Server 2003 has many new and improved security features at the client level. At a glance, these features include ”but are not limited to ”the following:

• Support for MAPI (RPC) over HTTP or HTTPS and can be configured to use either Secure Sockets Layer (SSL) or NTLM-based authentication

• Support for authentication methods , such as Kerberos and NTLM

• Antispam features, such as safe and block lists, as well as advanced filtering mechanisms to control the amount of unwanted emails

• Protection against Web beaconing, which is used by advertisers and spammers to verify email addresses and determine whether emails have been read

• Attachment-blocking by Exchange Server 2003 before it reaches the intended recipient

• Rights management support, which prevents unauthorized users from intercepting emails