unrouteable mail domain
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This message was created automatically by mail delivery software.
A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es)
failed:
xxxx@xxxx.com
unrouteable mail domain
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All the mails I send fails.
I'm using Redhat with Cpanel.
The tweek settings --> Prevent the user 'nobody' from sending out mail
is not checked.
Is it something related to reverse DNS. I'm confused. I think reverse DNS is setup correctly. How can I check that? How can I make it OK if not set? Will it solve the issue?
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