Secure and Lock down Exchange 2003
KB ID 0000020 Dtd 21/01/09 Problem You want to secure Exchange 2003 (Post SP2). Solution 1. Ensure you are not an open relay, 1. Open The Exchange Exchange system manager > Navigate to Administrative > Groups > First Administrative Group > Servers > {server_name} > Protocols > SMTP. 2. Right Click Default SMTP Server > Properties > Access > The Top option “Only the List Below” should be...