Sorry, Mark's small change is correct. I meant to type in the MX record name but forgot and type the IP address. > imacompany.com. 86400 IN A 1.2.3.4 > imacompany.com. 86400 IN MX 5 mx1.imacompany.com. > mx1.imacompany.com. 86400 IN A 1.2.3.5