Hi.  Testing out postfix on RH 7.3 and can't get it to send mail. 
For any address, postfix accepts the mail from the client, but it
is never delivered.  /etc/postfix/maillog reports "Host not
found" for each one, even though on the command line I can do
lookups to these mx records and connect on port 25 to them.  Can
anyone help?  Thanks! 

Scott

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