HI ... My network controlled with ISA 2006 , the ISA server configured with 2 NICs , one for public (public IP configured) and one for internal , now I want to install Exchange 2003 Enterprise edition in my network , my question is where shall I configure the MX record for the ISA server i.e ... I have to by a domain name from godaddy.com and configure A,MX records there ? please some body tell me the detail of the DNS record configurations , because I want to Send/Recieve e-mails from Internet. Thanks .

Hi, You need to contact your ISP, purchase an external domain name, and then ask them to point your external domain to the public IP of your ISA server. Refer to: Publishing Exchange Server 2003 with ISA Server 2006 http://technet.microsoft.com/en-us/library/bb794845.aspx?ppud=4 How to Use Certificates with Virtual Servers in Exchange Server 2003 http://support.microsoft.com/kb/823024 How to help secure SMTP client message delivery in Exchange 2003 http://support.microsoft.com/kb/823019 Fiona