I keep getting this response every time I try to add my domain to setup my email account.

I keep getting this response every time I try to add my domain to setup my email account.

Every time I try to add my domain I get this message: "This Operation has been restricted. Please contact support-as@zohocorp.com for further details" How do I fix this? I can't seem to get any response from the support address in the message. I can't add my auto responder until I can get this fixed. I'm new to all this computer web page setup and am learning everything by doing it, so please put the answer in context that a 5 year old child can understand. Also, how long before anyone can help? I have included my email if you need it to email me:   < eugenenbell@yahoo.com>
Thanks for your help