host lookup did not complete

May 14, 2013 6.3k views
Can receive email, but can't send it out. Been working on this for several hours and can't figure it out. This is the error code "host lookup did not complete" Any help?
2 Answers
I have WHM and cPanel installed btw.
It means it can't lookup the domain's IP address. What do you have in /etc/resolv.conf?
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