Useful links
Useful antispam related links are showed below:
NOTE: Our realtime lists are freely exported by anybody who wants to use them. If any host XXX blocked a delivering mail from a third-party host that is listed here, it is because the third-party host MUST comply with the rules that the XXX's admin (not our rules) requires to a mail message can be delivered to it. We are just verifing to the XXX's admin whether a host is a spammer, open-relay or IP/DIALUP machine or not.