 on wednesday august NUMBER NUMBER at NUMBER NUMBER pm robin lynn frank wrote and if a spammer forges headers header forgeries are trivially easy to detect the main way that spammers hide their originating ips is not by forging headers but by sending through open proxy servers it used to be that spammers used open relay mailserver but these often betray the originating ip and the proliferation of open relay blocklists and the introduction of port NUMBER blocking on the part of many isps make open relays unattractive to spammers one would think that the combination of a forged habeas swe and mail sent through an anonymizing open proxy would be a fairly good indication of spam tracking a spammer to his meatspace location is not as difficult as you might think once you have legal recourse to subpoena records b this URL email is sponsored by jabber the world s fastest growing real time communications platform don t just im build it in URL _______________________________________________ spamassassin talk mailing list spamassassin talk URL URL 