IIRC, you can't do this via a group or DL under E2K3.
If you put in a group, then what you're going to block is any email sent as that group (ie any email with that group's primary SMTP address as the From: field), rather than email from individual members of the group. ________________________________ From: Sean Martin [mailto:[EMAIL PROTECTED] Sent: Thursday, September 11, 2008 12:10 PM To: MS-Exchange Admin Issues Subject: Re: Stopping an email user from sending to anyone outside of the organization? ************************************************************************************************** Note: The information contained in this message may be privileged and confidential and protected from disclosure. If the reader of this message is not the intended recipient, or an employee or agent responsible for delivering this message to the intended recipient, you are hereby notified that any dissemination, distribution or copying of this communication is strictly prohibited. If you have received this communication in error, please notify us immediately by replying to the message and deleting it from your computer. ************************************************************************************************** ~ Ninja Email Security with Cloudmark Spam Engine Gets Image Spam ~ ~ http://www.sunbeltsoftware.com/Ninja ~