trying to get all set up... getting error

trying to get all set up... getting error

I am getting this message on mail: (I have it set up as a POP3 through mail on my macbook but I can seem to get anything to receive from outside email addresses at all.) help! I can see what I am missing through original set up in my domain! 


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rachel@racheldianephotograpy.com  Domain Not Resolved


Received:from  mail.zoho.com  by  mx.zohomail.com
with SMTP id 1429412349406806.2358889447099; Sat, 18 Apr 2015 19:59:09 -0700 (PDT)
Message-ID:< 14ccf9d85ae.b3f1ab977563.1468197913137699491@racheldianephotography.com >
Date:Sat, 18 Apr 2015 19:59:09 -0700
From:Rachel Diane < rachel@racheldianephotography.com >
User-Agent:Zoho Mail
To:< rachel@racheldianephotograpy.com >
Subject:Test!!
Content-Type:multipart/alternative; 
boundary="----=_Part_8740_2013457406.1429412349357"