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MX lookup errors

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Yardyy

Technical User
Joined
Aug 13, 2002
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448
Location
GB
We have a Listmanager that sends out a whopping 140,000 emails on one list, we get this error which says "MX Lookup failed for Domain {IP Address}"

The same error message comes up for hotmail.com, and yahoo addresses as well.

Is there any way that i can see what the MX timeout value is on Firewall.

Ohh yeh, listmanager is in the DMZ, any help would be appreciated. Yardyy
 
can you do an nslookup for those domain from the Listmanager? Alshrim
System Administrator
MCSE, MCP+Internet
 
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