Email Won't Send to Address

[thmoc]

I've seen this question posted but no reply. I have an email to in the email folder as . But I am not receiving any mail. Now if I put in any other email address, such as I get the email. My settings in Joomla don't have anything associated with the domain I'm trying to send the results to. The FROM fieild does not have the TO domain name in it. I'm quite perplexed on what to do. I need the results to go to the email that I want. Can you help?