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PRB: If primary and secondary DNS servers are unavailable, can an optional forwarding host be specified?

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This article applies to:

  • MailMarshal (SEG)

Question:

If primary and secondary DNS servers are unavailable, can an optional forwarding host be specified?

Procedure:

By default, MailMarshal will use DNS resolution to determine the appropriate destination for outbound email and attempt to deliver messages directly.  In the event there is a DNS failure that prevents MailMarshal from connecting to the original destination server, a fallback host can be used. 

Access the Routes node in the MailMarshal (SEG) 10 web interface or MailMarshal Configurator and edit the Routing Table or create a new one. In a Routing Table you can create multiple failover routes for the delivery of mail and for load balancing purposes.  

NOTE: To protect routing against DNS failure it is advisable to create fallback routes based on IP address instead of fully qualified email host name.   

For more information on forwarding email see the User Guide.

This article was previously published as:
NETIQKB39366

 

 

 


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