No it can't be private. Private addresses are just that, they will not be routed over the net. Use the outside address of your firewall an forward port 25 to the internal server. -----Original Message----- From: geeta@xxxxxxxxxxx [mailto:geeta@xxxxxxxxxxx] Sent: Friday, March 19, 2004 2:32 PM To: redhat-list@xxxxxxxxxx Subject: MX record Hello , We have firewall (used for natting) and inside our LAN only we have in one machine where public IP natted to private IP the DNS server and email server. Now I want to forward the emails to a different machine. Now my qn is can the email server be given the private IP or should it also have public IP natted to private IP present entry in named.hosts IN MX 100 www.cdfd.org.in. cdfd.org.in In A 210.212.212.3 Now I want to change to IN MX 100 mail.cdfd.org.in mail.cdfd.org.in IN A ? ? --> can be a private IP or not pls clarify my doubt Thanks Geetha Thanu Bioinformatics CDFD,Hyderabad. - -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list