brian mcnett bmcnettradparkercom wednesday august 28 2002 0150 pm robin lynn frank wrote spammer forges headers header forgeries trivially easy detect main way spammers hide originating ips forging headers sending open proxy servers used spammers used open relay mailserver often betray originating ip proliferation open relay blocklists introduction port 25 blocking part many isps make open relays unattractive spammers one would think combination forged habeasswe mail sent anonymizing open proxy would fairly good indication spam tracking spammer meatspace location difficult might think legal recourse subpoena records b sfnet email sponsored jabber worlds fastest growing realtime communications platform dont im build httpwwwjabbercomosdnxim _______________________________________________ spamassassintalk mailing list spamassassintalklistssourceforgenet httpslistssourceforgenetlistslistinfospamassassintalk wed 28 aug 2002 170549 0700 satalk ot habeus