EXPLANATION:
This error message is a dynamic block on our system. Dynamic blocks are placed on an IP address when AOL member complaints go over our set threshold. These are automated blocks that are removed by the system within 24 hours if the complaints are below the threshold.
SOLUTION:
Mail administrators should take this opportunity to ensure that their mail server has not been compromised. The mail administrator should request a feedback loop that will alert them to reported spam from their network.
If you need additional information please file a support request.