What about a "whitelist" website, every ISP could enter the IPs of his MTA's and everybody could use for his whitelisting?
Radek Mrskos Email mrskos@volume.ch volume.ch Tel: +41 43 534 40 24 Baechlerstr. 12 Mob: +41 79 219 68 66 CH-8802 Kilchberg Fax: +41 86079 2196 866 PGP:0x8CB69F6D URL: http://volume.ch