The organisation has placed the several mail servers in question on its Relay Spam Stopper (RSS) list, until MSN can manage to correct the problem. MAPS is a California non-profit organisation which maintains a database of spammers, which in turn has resulted in a steady accumulation of lawsuits by those who believe MAPS is interfering with their businesses. In this case, MAPS has caused some difficulty with legitimate mail on the MSN network, which it says it can do nothing about because the RSS can't be tweaked with enough precision to avoid throwing out the baby with the bath water.