Marc Schneiders wrote:

>>Having a DNS server off site doesn't help much if the sites it is 
>>resolving are in a dead network....
>>
>
>Does it not at least help for email? Avoiding a return of the message
>to sender with an error that the domain does not exist?
>

Name service problems should be handled as transient errors. Here's an 
example from my log this morning:

(Name service error for domain opensrs.org: Host not found, try again)

It sat in the outbound queue for awhile, then was sent.

-scott


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