Does anyone else get an enormous amount of BAD, BDP and BDR files in your badmail directory when using IIS SMTP with the ISA SMTP filter? Shouldn't these files return to sender and to the postmaster who has been identified? If I could only figure this one out! Something doesn't seem right. Greg Foulks, MCP NewFound Technologies, Inc. http://www.nfti.com Email: greg.foulks@xxxxxxxx Voice: 614.318.5036 Fax: 614.318.5005