We are going to contract a company to manage our marketing via eBlast. I am concern about the possible issues with our domain getting blacklisted. Our marketing department wants to use a subdomain of our domain to do the eblast.
for example our domain is domain.com - they want to use edition.domain.com
My understanding is that the vendor should be using their public IP and will be able to send as edition.domain.com
by spoofing I guess. So that our public IP addresses are not blacklisted.