Aug 22, 2001 #1 Crawley ISP Jan 6, 2003 1 US Does anyone know how to stop exchange 2000 from being a mail relay server.
Aug 22, 2001 #2 iorx IS-IT--Management May 29, 2001 1 SE Set a allowed IP range/mask and/or make users authenticate if they want to send mail over your SMTP. Upvote 0 Downvote