I have few web and a mail server connected to two lease lines at my work place. I am using BIND for name services and currently have two name servers for two different class IPs allotted to me from two ISPs for my single domain.
How do I configure these two name servers so that I can use a single mail server with two different IPs. I am using NAT at my firewall.
You can always use MX records pointing to two different IPs.
Originally Posted by amitkush
mx1 IN MX 0 mx1.mail.example.com.
mx2 IN MX 5 mx2.mail.example.com.
mx1 IN A IP_ADDRESS_1
mx2 IN A IP_ADDRESS_2