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Rerouting a subdomain email address

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5 replies

by bb_breen

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The DNS server which handles our Exchange 5.5 email delivery is temporarily out of service. It is located in another city. Is there a method to reroute my email using an IP address instead of a domain name? I.E, if my email address was bb@sub.domain.com (and the DNS server handling sub.domain.com is out of service) and my email server's ip address in my office is 10.1.1.1, is there a way to reroute emails using 10.1.1.1 instead of sub.domain.com?

5 replies

by admin-stuart

An entry in your local hosts file should do until DNS is restored. If you are a Win9x client, hosts.sam should be located in c:\windows directory or whatever root directory you use, or for WINNT it's in the :\drivers\etc folder.

Open the hosts file, and add the following line to it (based on info in post):

10.1.1.1 SUB.DOMAIN.COM

Be sure to put at least one space between the IP address and domain name in the entry.

Good luck.

by turambar386

As you probably know, the answer above only applies to client systems trying to find your email server. Since you presumably do not have control over such systems, it will not help you.

Unfortunately, there is no real way to accomplish what youwant to do. DNS is vital to the working of email. For any domain or subdomain, you must implement backup DNS servers!

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