It sure does. For example, I am using Postfix. There are a number of different MDA predefined in the MailScanner.conf file, and the file is well documented on what you need to do. There is also good install documentation on the MailScanner Web site. www.MailScanner.info Steve Dawes Phone: (403) 268-5527 Email: SDawes at calgary.ca NOTICE - This communication is intended ONLY for the use of the person or entity named above and may contain information that is confidential or legally privileged. If you are not the intended recipient named above or a person responsible for delivering messages or communications to the intended recipient, YOU ARE HEREBY NOTIFIED that any use, distribution, or copying of this communication or any of the information contained in it is strictly prohibited. If you have received this communication in error, please notify us immediately by telephone and then destroy or delete this communication, or return it to us by mail if requested by us. The City of Calgary thanks you for your attention and co-operation.