I have a single domain with a redundant Exchange 2010 setup. In my Hub Transport Accepted Domains list, I have 30 different domains. Email from all of these domains will come from the same public IP address. Is there a way to assign different IP addresses to specific domains in this list?
If yes, I do have a pool of public IP addresses at my disposal.
The reason I ask, is that under the current setup, if one domain should get blacklisted, they all do.