Computer software for protecting individual computer users and servers from receiving unsolicited bulk e-mail by tagging, flagging, blocking, deleting, highlighting or otherwise automatically processing such messages; Messages are filtered against specific technical criteria such as public, proprietary and private, user-defined or peer-to-peer defined blacklists and whitelists; The blacklists and whitelists contain information on servers, IP ranges, e-mail addresses, domain names, language patterns, e-mail header patterns, known methods of e-mail header falsification, and other technical criteria

'address':67 'automat':25 'blacklist':51,55 'block':20 'bulk':13 'comput':1,6 'contain':58 'criteria':35,88 'defin':44,50 'delet':21 'domain':68 'e':15,65,73,81 'e-mail':14,64,72,80 'falsif':84 'filter':31 'flag':19 'header':75,83 'highlight':22 'individu':5 'inform':59 'ip':62 'known':77 'languag':70 'mail':16,66,74,82 'messag':28,29 'method':78 'name':69 'otherwis':24 'pattern':71,76 'peer':47,49 'peer-to-p':46 'privat':41 'process':26 'proprietari':39 'protect':4 'public':38 'rang':63 'receiv':11 'server':9,61 'softwar':2 'specif':33 'tag':18 'technic':34,87 'unsolicit':12 'user':7,43 'user-defin':42 'whitelist':53,57

PCANTISPAM

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