I want to allow all SMTP connections to send mail from my IP block: 70.88.225.1-6 How do I make this happen on Fedora Core 4 and Postfix? Regards, Ki Song ---------- Knifecenter, Inc. 5111 Berwyn Road STE 110 College Park, MD 20740 (301) 486-0901 ki at knifecenter.com