Paweł Leśniak a écrit : > W dniu 2009-04-14 23:00, mouss pisze: >> [snip] >> and spammers seem to forge valid addresses, so the check looks useless >> to me. >> > How do they forge a client DNS A records consistent with PTR records?
I meant they use forged sender addresses where the domain is valid. for example, you may get spam with the sender set to <mo...@netoyen.net>. >[snip]
