3 prefixes in my subscriber filter apply to comcast subscribers:

(bgp|dhcp|pcp).*comcast

total connects from:

# egrep -ic ": connect from.*(dhcp|bgp|pcp).*comcast" /postfix/log/maillog
2133

Total rejects:

[EMAIL PROTECTED] lconrad]# egrep -ic "reject.*(dhcp|bgp|pcp).*comcast" 
/postfix/log/maillog
3110

Rejects for unknown user:

# egrep -i "reject.*(dhcp|bgp|pcp).*comcast" /postfix/log/maillog | egrep 
-ic "recipient table"
2755

how many SHEL discos (SHEL = 2):

# egrep -i "(dhcp|bgp|pcp).*comcast" /postfix/log/maillog | egrep -ic "too 
many"
1316

For msgs to known users, the FROM and HELO fields, broken down into helo a) 
is comcast and b) isn't comcast:

from=<[EMAIL PROTECTED]>  helo=<pcp03488257pcs.indpnd01.mo.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01321444pcs.toresd01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01321444pcs.toresd01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp441356pcs.sprngf01.ga.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp441356pcs.sprngf01.ga.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<pcp03400539pcs.mtromd01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp250818pcs.howard01.md.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<pcp01768561pcs.audubn01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp648586pcs.mkethn01.fl.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp648586pcs.mkethn01.fl.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp04484898pcs.brmngh01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp04484898pcs.brmngh01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03761616pcs.monroe01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02362485pcs.reding01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01017538pcs.washly01.sc.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01017538pcs.washly01.sc.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp250818pcs.howard01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp250818pcs.howard01.md.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<pcp02426257pcs.kensgt01.pa.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<pcp03884998pcs.radnor01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp652744pcs.bbridg01.fl.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp958297bgs.derbrh01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp891374pcs.centrl01.va.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp581759pcs.wilmsc01.tn.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02226827pcs.rte20201.de.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp04674440pcs.dalect01.va.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03435886pcs.olathe01.ks.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<esx128dhcp963.essex01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp968516pcs.lwrnce01.in.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02280056pcs.newhav01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp725644pcs.arlngt01.va.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp136655pcs.mtlrel01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp965499bgs.derbrn01.mi.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<pcp01254913pcs.hamden01.ct.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01612798pcs.lambrv01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02021521pcs.rthfrd01.tn.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp01032895bgs.sothfd01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp01032895bgs.sothfd01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp186757pcs.swedsb01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp186757pcs.swedsb01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp572714bgs.eatntn01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp572714bgs.eatntn01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp403533bgs.medwln01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp429930pcs.pinhil01.ga.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02389862pcs.pinval01.in.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp261405pcs.howard01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03943171pcs.dalect01.va.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01870245pcs.pwayne01.pa.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<pcp02226827pcs.rte20201.de.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp04471397pcs.brmngh01.mi.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<pcp03324373pcs.sothfd01.mi.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<pcp03324373pcs.sothfd01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03201448pcs.palmrn01.fl.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02156528pcs.pimaco01.az.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02156528pcs.pimaco01.az.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp04190009pcs.macmb101.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02362485pcs.reding01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02362485pcs.reding01.pa.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<pcp02524767pcs.nromeo01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03113059pcs.eatntn01.nj.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<pcp04497163pcs.jersyc01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03662746pcs.coatsv01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03721750pcs.essex01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02156528pcs.pimaco01.az.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02156528pcs.pimaco01.az.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01954929pcs.hnsvl01.ga.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03921059pcs.arlngt01.va.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp945618pcs.cstltn01.in.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01768561pcs.audubn01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp016206pcs.harngt01.de.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp016206pcs.harngt01.de.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03362050pcs.kenets01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03362050pcs.kenets01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp438682pcs.poolr01.ga.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp438682pcs.poolr01.ga.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01454263pcs.blumtn01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01454263pcs.blumtn01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01321444pcs.toresd01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01321444pcs.toresd01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02462439pcs.chrchv01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02462439pcs.chrchv01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp958297bgs.derbrh01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp180718pcs.pnsakn01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp180718pcs.pnsakn01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02564022pcs.manass01.va.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<pcp949806pcs.bechgr01.in.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp04471529pcs.brmngh01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01711170pcs.nrockv01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01711170pcs.nrockv01.md.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<bgp01139423bgs.ypwest01.mi.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<bgp01139423bgs.ypwest01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp456534bgs.avenel01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01285445pcs.hlcrs201.al.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp242710pcs.howard01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp242710pcs.howard01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02792939pcs.roylok01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02792939pcs.roylok01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01873798pcs.phnixv01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01873798pcs.phnixv01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp04563890pcs.liztwn01.ky.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp537717pcs.nash01.tn.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp537717pcs.nash01.tn.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01037857pcs.mtdra01.fl.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp04145523pcs.shrpsr01.tn.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp04145523pcs.shrpsr01.tn.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp150854pcs.hamntn01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp150854pcs.hamntn01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01113114pcs.flint01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03753867pcs.walngs01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01307436pcs.pimaco01.az.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01307436pcs.pimaco01.az.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<pcp03534815pcs.alico01.fl.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp261065pcs.howard01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp04222667pcs.macmb101.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp04222667pcs.macmb101.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02134675pcs.gardnc01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp460046bgs.avenel01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp460046bgs.avenel01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01955831pcs.hnsvl01.ga.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01955831pcs.hnsvl01.ga.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp01072841bgs.vnburn01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp01384790bgs.forhls01.nm.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01016830pcs.washly01.sc.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp749918pcs.manass01.va.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp749918pcs.manass01.va.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp456534bgs.avenel01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp456534bgs.avenel01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp456534bgs.avenel01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02741896pcs.kensgt01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03534815pcs.alico01.fl.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03534815pcs.alico01.fl.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03340657pcs.wilmsc01.tn.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02261565pcs.toresd01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp150854pcs.hamntn01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01068963pcs.andrsn01.tn.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp654075pcs.tharpe01.fl.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01068963pcs.andrsn01.tn.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<pcp03534815pcs.alico01.fl.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp261065pcs.howard01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03346272pcs.nrockv01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03346272pcs.nrockv01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03933450pcs.sthind01.mo.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01602372pcs.manass01.va.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03872585pcs.pimaco01.az.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03872585pcs.pimaco01.az.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03872585pcs.pimaco01.az.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03872585pcs.pimaco01.az.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03488257pcs.indpnd01.mo.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01321444pcs.toresd01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01321444pcs.toresd01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp441356pcs.sprngf01.ga.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp441356pcs.sprngf01.ga.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<pcp03400539pcs.mtromd01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp250818pcs.howard01.md.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<pcp01768561pcs.audubn01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp648586pcs.mkethn01.fl.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp648586pcs.mkethn01.fl.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp04484898pcs.brmngh01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp04484898pcs.brmngh01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03761616pcs.monroe01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02362485pcs.reding01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01017538pcs.washly01.sc.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01017538pcs.washly01.sc.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp250818pcs.howard01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp250818pcs.howard01.md.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<pcp02426257pcs.kensgt01.pa.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<pcp03884998pcs.radnor01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp652744pcs.bbridg01.fl.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp958297bgs.derbrh01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp891374pcs.centrl01.va.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp581759pcs.wilmsc01.tn.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02226827pcs.rte20201.de.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp04674440pcs.dalect01.va.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03435886pcs.olathe01.ks.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<esx128dhcp963.essex01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp968516pcs.lwrnce01.in.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02280056pcs.newhav01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp725644pcs.arlngt01.va.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp136655pcs.mtlrel01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp965499bgs.derbrn01.mi.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<pcp01254913pcs.hamden01.ct.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01612798pcs.lambrv01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02021521pcs.rthfrd01.tn.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp01032895bgs.sothfd01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp01032895bgs.sothfd01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp186757pcs.swedsb01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp186757pcs.swedsb01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp572714bgs.eatntn01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp572714bgs.eatntn01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp403533bgs.medwln01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp429930pcs.pinhil01.ga.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02389862pcs.pinval01.in.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp261405pcs.howard01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03943171pcs.dalect01.va.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01870245pcs.pwayne01.pa.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<pcp02226827pcs.rte20201.de.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp04471397pcs.brmngh01.mi.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<pcp03324373pcs.sothfd01.mi.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<pcp03324373pcs.sothfd01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03201448pcs.palmrn01.fl.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02156528pcs.pimaco01.az.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02156528pcs.pimaco01.az.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp04190009pcs.macmb101.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02362485pcs.reding01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02362485pcs.reding01.pa.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<pcp02524767pcs.nromeo01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03113059pcs.eatntn01.nj.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<pcp04497163pcs.jersyc01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03662746pcs.coatsv01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03721750pcs.essex01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02156528pcs.pimaco01.az.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02156528pcs.pimaco01.az.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01954929pcs.hnsvl01.ga.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03921059pcs.arlngt01.va.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp945618pcs.cstltn01.in.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01768561pcs.audubn01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp016206pcs.harngt01.de.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp016206pcs.harngt01.de.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03362050pcs.kenets01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03362050pcs.kenets01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp438682pcs.poolr01.ga.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp438682pcs.poolr01.ga.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01454263pcs.blumtn01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01454263pcs.blumtn01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01321444pcs.toresd01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01321444pcs.toresd01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02462439pcs.chrchv01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02462439pcs.chrchv01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp958297bgs.derbrh01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp180718pcs.pnsakn01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp180718pcs.pnsakn01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02564022pcs.manass01.va.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<pcp949806pcs.bechgr01.in.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp04471529pcs.brmngh01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01711170pcs.nrockv01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01711170pcs.nrockv01.md.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<bgp01139423bgs.ypwest01.mi.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<bgp01139423bgs.ypwest01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp456534bgs.avenel01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01285445pcs.hlcrs201.al.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp242710pcs.howard01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp242710pcs.howard01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02792939pcs.roylok01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02792939pcs.roylok01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01873798pcs.phnixv01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01873798pcs.phnixv01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp04563890pcs.liztwn01.ky.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp537717pcs.nash01.tn.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp537717pcs.nash01.tn.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01037857pcs.mtdra01.fl.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp04145523pcs.shrpsr01.tn.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp04145523pcs.shrpsr01.tn.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp150854pcs.hamntn01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp150854pcs.hamntn01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01113114pcs.flint01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03753867pcs.walngs01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01307436pcs.pimaco01.az.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01307436pcs.pimaco01.az.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<pcp03534815pcs.alico01.fl.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp261065pcs.howard01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp04222667pcs.macmb101.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp04222667pcs.macmb101.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02134675pcs.gardnc01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp460046bgs.avenel01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp460046bgs.avenel01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01955831pcs.hnsvl01.ga.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01955831pcs.hnsvl01.ga.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp01072841bgs.vnburn01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp01384790bgs.forhls01.nm.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01016830pcs.washly01.sc.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp749918pcs.manass01.va.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp749918pcs.manass01.va.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp456534bgs.avenel01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp456534bgs.avenel01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp456534bgs.avenel01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02741896pcs.kensgt01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03534815pcs.alico01.fl.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03534815pcs.alico01.fl.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03340657pcs.wilmsc01.tn.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02261565pcs.toresd01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp150854pcs.hamntn01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01068963pcs.andrsn01.tn.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp654075pcs.tharpe01.fl.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01068963pcs.andrsn01.tn.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<pcp03534815pcs.alico01.fl.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp261065pcs.howard01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03346272pcs.nrockv01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03346272pcs.nrockv01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03933450pcs.sthind01.mo.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01602372pcs.manass01.va.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03872585pcs.pimaco01.az.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03872585pcs.pimaco01.az.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01142279pcs.newhav01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp04023005pcs.whtmrs01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp04023005pcs.whtmrs01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp455377pcs.shklfd01.ar.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp455377pcs.shklfd01.ar.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01501471pcs.univde01.de.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01501471pcs.univde01.de.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01480800pcs.ncstl01.de.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03198789pcs.flshng01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp251254pcs.howard01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp04896278pcs.tybout01.de.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp04896278pcs.tybout01.de.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02156528pcs.pimaco01.az.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02156528pcs.pimaco01.az.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp04023005pcs.whtmrs01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp04023005pcs.whtmrs01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01110331pcs.clnt3401.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01110331pcs.clnt3401.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp04270476pcs.martnz01.ga.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp04270476pcs.martnz01.ga.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp537717pcs.nash01.tn.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp537717pcs.nash01.tn.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01321444pcs.toresd01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01321444pcs.toresd01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03751457pcs.walngs01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp03751457pcs.walngs01.pa.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01142279pcs.newhav01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<esx128dhcp963.essex01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<esx128dhcp963.essex01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02476713pcs.frsrc101.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02773272pcs.pimaco01.az.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp427194bgs.union01.nj.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<pcp486876pcs.howard01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01539914pcs.huntsv01.al.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp01539914pcs.huntsv01.al.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp04023005pcs.whtmrs01.md.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<pcp02134675pcs.gardnc01.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02773272pcs.pimaco01.az.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp654075pcs.tharpe01.fl.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02476713pcs.frsrc101.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp945618pcs.cstltn01.in.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp02476713pcs.frsrc101.mi.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<pcp824596pcs.nrockv01.md.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp545607bgs.ewndsr01.nj.comcast.net>
from=<[EMAIL PROTECTED]>  helo=<bgp545607bgs.ewndsr01.nj.comcast.net>
from=<[EMAIL PROTECTED]> 
helo=<pcp03113059pcs.eatntn01.nj.comcast.net>


.... if the legit mailserver did/could not set the PTR hostname to his own 
domain (ie, left it legit as passed out by comcast), then one would expect 
the sender@ NOT to be alphabet soup.  Anybody see any legit candidates above??



Next is to known users and helo NOT comcast, meaning the sender has set the 
HELO hostname.  One would expect the @sender.domain and the Helo domain to 
match because these aren't ISP outbound gateways with lots of different 
domains to send:

# egrep -i "reject.*(dhcp|bgp|pcp).*comcast" /postfix/log/maillog | egrep 
-iv "recipient table" | cut -d ";" -f2 | awk '{print  $1"  "$4}' | egrep 
-iv "helo.*comcast" | less

from=<[EMAIL PROTECTED]>  helo=<haitaeck.de>
from=<[EMAIL PROTECTED]>  helo=<peterartz.de>
from=<[EMAIL PROTECTED]>  helo=<homestudyclub.co.kr>
from=<[EMAIL PROTECTED]>  helo=<interstuhl.de>
from=<[EMAIL PROTECTED]>  helo=<kaletka.de>
from=<[EMAIL PROTECTED]>  helo=<compuserve.com>
from=<[EMAIL PROTECTED]>  helo=<klingenmeier-bau.de>
from=<[EMAIL PROTECTED]>  helo=<wogetra.de>
from=<[EMAIL PROTECTED]>  helo=<stromohneatom.ch>
from=<[EMAIL PROTECTED]>  helo=<fifth-dimension.de>
from=<[EMAIL PROTECTED]>  helo=<freemail.nl>
from=<[EMAIL PROTECTED]>  helo=<ocv-ockensen.de>
from=<[EMAIL PROTECTED]>  helo=<mendiger-basalt.de>
from=<[EMAIL PROTECTED]>  helo=<optimal.de>
from=<[EMAIL PROTECTED]>  helo=<proclima.de>
from=<[EMAIL PROTECTED]>  helo=<pldi.net>
from=<[EMAIL PROTECTED]>  helo=<musiccontact.de>
from=<[EMAIL PROTECTED]>  helo=<worldonline.fr>
from=<[EMAIL PROTECTED]>  helo=<frisurf.no>
from=<[EMAIL PROTECTED]>  helo=<josef-scheiber.de>
from=<[EMAIL PROTECTED]>  helo=<pldi.net>
from=<[EMAIL PROTECTED]>  helo=<local.domain>
from=<[EMAIL PROTECTED]>  helo=<signet.de>
from=<[EMAIL PROTECTED]>  helo=<wolfsmark.de>
from=<[EMAIL PROTECTED]>  helo=<thinkage.on.ca>
from=<[EMAIL PROTECTED]>  helo=<cg-worx.de>
from=<[EMAIL PROTECTED]>  helo=<drones.ndirect.co.uk>
from=<[EMAIL PROTECTED]>  helo=<jgcomponentes.pt>
from=<[EMAIL PROTECTED]>  helo=<juliet.stfx.ca>
from=<[EMAIL PROTECTED]>  helo=<wordcup.de>
from=<[EMAIL PROTECTED]>  helo=<toneman.de>
from=<[EMAIL PROTECTED]>  helo=<celbio.it>
from=<[EMAIL PROTECTED]>  helo=<design-hafner.de>
from=<[EMAIL PROTECTED]>  helo=<b-schicht.de>
from=<[EMAIL PROTECTED]>  helo=<pesa-bau.de>
from=<[EMAIL PROTECTED]>  helo=<sender790>
from=<[EMAIL PROTECTED]>  helo=<sender1416>
from=<[EMAIL PROTECTED]>  helo=<sender1416>
from=<[EMAIL PROTECTED]>  helo=<mozelt.de>
from=<[EMAIL PROTECTED]>  helo=<stiber-faehnlein.de>
from=<[EMAIL PROTECTED]>  helo=<www.info-niigata.or.jp>
from=<[EMAIL PROTECTED]>  helo=<raab-muenster.de>
from=<[EMAIL PROTECTED]>  helo=<brest.ifremer.fr>
from=<[EMAIL PROTECTED]>  helo=<deuschel.de>
from=<[EMAIL PROTECTED]>  helo=<216.86.209.183>
from=<[EMAIL PROTECTED]>  helo=<hallam.demon.co.uk>
from=<[EMAIL PROTECTED]>  helo=<pfadfinder-laudenbach.de>
from=<[EMAIL PROTECTED]>  helo=<autoweb.ch>
from=<[EMAIL PROTECTED]>  helo=<jagd-bayern.de>
from=<[EMAIL PROTECTED]>  helo=<sheriff.martin.fl.us>
from=<[EMAIL PROTECTED]>  helo=<local.domain>
from=<[EMAIL PROTECTED]>  helo=<compuserve.com>
from=<[EMAIL PROTECTED]>  helo=<esti.haifa.ac.il>
from=<[EMAIL PROTECTED]>  helo=<ep-ka.de>
from=<[EMAIL PROTECTED]>  helo=<unionworld.ch>
from=<[EMAIL PROTECTED]>  helo=<68.34.136.119>
from=<[EMAIL PROTECTED]>  helo=<globalnet.co.uk>
from=<[EMAIL PROTECTED]>  helo=<68.41.63.248>
from=<[EMAIL PROTECTED]>  helo=<yahoo.com>
from=<[EMAIL PROTECTED]>  helo=<lk.dk>
from=<[EMAIL PROTECTED]>  helo=<thmech.nottingham.ac.uk>
from=<[EMAIL PROTECTED]>  helo=<catseye.mb.ca>
from=<[EMAIL PROTECTED]>  helo=<jrmedien.de>
from=<[EMAIL PROTECTED]>  helo=<met.fr>
from=<[EMAIL PROTECTED]>  helo=<pldi.net>
from=<[EMAIL PROTECTED]>  helo=<compuserve.com>
from=<[EMAIL PROTECTED]>  helo=<pldi.net>
from=<[EMAIL PROTECTED]>  helo=<cconline.es>
from=<[EMAIL PROTECTED]>  helo=<sc-anger.de>
from=<[EMAIL PROTECTED]>  helo=<pb.cz>
from=<[EMAIL PROTECTED]>  helo=<alienor.fr>
from=<[EMAIL PROTECTED]>  helo=<lycos.com>
from=<[EMAIL PROTECTED]>  helo=<slb-dresden.de>
from=<[EMAIL PROTECTED]>  helo=<hackgangsta.de>
from=<[EMAIL PROTECTED]>  helo=<schriftdruck.de>
from=<[EMAIL PROTECTED]>  helo=<aaia.ca>
from=<[EMAIL PROTECTED]>  helo=<work.kn-bremen.de>
from=<[EMAIL PROTECTED]>  helo=<rds.ro>
from=<[EMAIL PROTECTED]>  helo=<bogser.de>
from=<[EMAIL PROTECTED]>  helo=<68.60.70.36>
from=<[EMAIL PROTECTED]>  helo=<extreme-fisting.de>
from=<[EMAIL PROTECTED]>  helo=<wilde13.de>
from=<[EMAIL PROTECTED]>  helo=<sender943>
from=<[EMAIL PROTECTED]>  helo=<net.com>
from=<[EMAIL PROTECTED]>  helo=<68.32.25.187>
from=<[EMAIL PROTECTED]>  helo=<get2net.dk>
from=<[EMAIL PROTECTED]>  helo=<arendsnest.demon.nl>
from=<[EMAIL PROTECTED]>  helo=<68.54.205.30>
from=<[EMAIL PROTECTED]>  helo=<68.46.136.37>
from=<[EMAIL PROTECTED]>  helo=<silver.chemie.tu-chemnitz.de>
from=<[EMAIL PROTECTED]>  helo=<68.80.183.204>
from=<[EMAIL PROTECTED]>  helo=<correio.cc.fc.ul.pt>
from=<[EMAIL PROTECTED]>  helo=<clever-tor.de>
from=<[EMAIL PROTECTED]>  helo=<xnet.it>
from=<[EMAIL PROTECTED]>  helo=<atze-online.de>
from=<[EMAIL PROTECTED]>  helo=<tsv-viktoria-stein.de>
from=<[EMAIL PROTECTED]>  helo=<compuserve.com>
from=<[EMAIL PROTECTED]>  helo=<68.46.136.37>
from=<[EMAIL PROTECTED]>  helo=<luedo-hellweg.de>
from=<[EMAIL PROTECTED]>  helo=<68.86.183.103>
from=<[EMAIL PROTECTED]>  helo=<68.59.34.153>
from=<[EMAIL PROTECTED]>  helo=<wisecracker.de>
from=<[EMAIL PROTECTED]>  helo=<ralfv.de>
from=<[EMAIL PROTECTED]>  helo=<gmr.ssr.upm.es>
from=<[EMAIL PROTECTED]>  helo=<kc.ecape.school.za>
from=<[EMAIL PROTECTED]>  helo=<junior.ce.tut.fi>
from=<[EMAIL PROTECTED]>  helo=<yabbadabbadoo.co.uk>
from=<[EMAIL PROTECTED]>  helo=<casablanca.cz>
from=<[EMAIL PROTECTED]>  helo=<mindset.de>
from=<[EMAIL PROTECTED]>  helo=<osw.pl>
from=<[EMAIL PROTECTED]>  helo=<katalogforum.no>
from=<[EMAIL PROTECTED]>  helo=<meyenburg-iz.de>
from=<[EMAIL PROTECTED]>  helo=<scoop.co.nz>
from=<[EMAIL PROTECTED]>  helo=<ecolog-institut.de>
from=<[EMAIL PROTECTED]>  helo=<rosa.esb.ucp.pt>
from=<[EMAIL PROTECTED]>  helo=<kiwim.de>
from=<[EMAIL PROTECTED]>  helo=<compuserve.com>
from=<[EMAIL PROTECTED]>  helo=<aisen.cl>
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from=<[EMAIL PROTECTED]>  helo=<mozelt.de>
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from=<[EMAIL PROTECTED]>  helo=<www.info-niigata.or.jp>
from=<[EMAIL PROTECTED]>  helo=<raab-muenster.de>
from=<[EMAIL PROTECTED]>  helo=<brest.ifremer.fr>
from=<[EMAIL PROTECTED]>  helo=<deuschel.de>
from=<[EMAIL PROTECTED]>  helo=<216.86.209.183>
from=<[EMAIL PROTECTED]>  helo=<hallam.demon.co.uk>
from=<[EMAIL PROTECTED]>  helo=<pfadfinder-laudenbach.de>
from=<[EMAIL PROTECTED]>  helo=<autoweb.ch>
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from=<[EMAIL PROTECTED]>  helo=<compuserve.com>
from=<[EMAIL PROTECTED]>  helo=<esti.haifa.ac.il>
from=<[EMAIL PROTECTED]>  helo=<ep-ka.de>
from=<[EMAIL PROTECTED]>  helo=<unionworld.ch>
from=<[EMAIL PROTECTED]>  helo=<68.34.136.119>
from=<[EMAIL PROTECTED]>  helo=<globalnet.co.uk>
from=<[EMAIL PROTECTED]>  helo=<68.41.63.248>
from=<[EMAIL PROTECTED]>  helo=<yahoo.com>
from=<[EMAIL PROTECTED]>  helo=<lk.dk>
from=<[EMAIL PROTECTED]>  helo=<thmech.nottingham.ac.uk>
from=<[EMAIL PROTECTED]>  helo=<catseye.mb.ca>
from=<[EMAIL PROTECTED]>  helo=<jrmedien.de>
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from=<[EMAIL PROTECTED]>  helo=<pldi.net>
from=<[EMAIL PROTECTED]>  helo=<compuserve.com>
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from=<[EMAIL PROTECTED]>  helo=<cconline.es>
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from=<[EMAIL PROTECTED]>  helo=<68.54.205.30>
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from=<[EMAIL PROTECTED]>  helo=<aisen.cl>
from=<[EMAIL PROTECTED]>  helo=<cip.biologie.uni-osnabrueck.de>
from=<[EMAIL PROTECTED]>  helo=<grobs.de>
from=<[EMAIL PROTECTED]>  helo=<gjackson.demon.co.uk>
from=<[EMAIL PROTECTED]>  helo=<schoermer.de>
from=<[EMAIL PROTECTED]>  helo=<gasthof-prettenhofer.at>
from=<[EMAIL PROTECTED]>  helo=<x-stream.dk>
from=<[EMAIL PROTECTED]>  helo=<kenwood.nl>
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from=<[EMAIL PROTECTED]>  helo=<musikzug-holweide.de>
from=<[EMAIL PROTECTED]>  helo=<imasy.or.jp>
from=<[EMAIL PROTECTED]>  helo=<ladaonline.ru>
from=<[EMAIL PROTECTED]>  helo=<68.48.139.232>
from=<[EMAIL PROTECTED]>  helo=<sjobo.nu>
from=<[EMAIL PROTECTED]>  helo=<68.43.158.64>
from=<[EMAIL PROTECTED]>  helo=<boddam.demon.co.uk>
from=<[EMAIL PROTECTED]>  helo=<68.34.136.119>
from=<[EMAIL PROTECTED]>  helo=<yahoo.com>
from=<[EMAIL PROTECTED]>  helo=<halo-world.de>
from=<[EMAIL PROTECTED]>  helo=<64.250.192.82>
from=<[EMAIL PROTECTED]>  helo=<64.250.192.82>
from=<[EMAIL PROTECTED]>  helo=<68.32.190.94>
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from=<[EMAIL PROTECTED]>  helo=<64.250.192.82>
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from=<[EMAIL PROTECTED]>  helo=<wsd-s.wsv.de>
from=<[EMAIL PROTECTED]>  helo=<yahoo.com>
from=<[EMAIL PROTECTED]>  helo=<paw-music.de>
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from=<[EMAIL PROTECTED]>  helo=<duke.in-berlin.de>
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from=<[EMAIL PROTECTED]>  helo=<jonik.dk>
from=<[EMAIL PROTECTED]>  helo=<ccins.camosun.bc.ca>
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from=<[EMAIL PROTECTED]>  helo=<meko.vub.ac.be>
from=<[EMAIL PROTECTED]>  helo=<rdemmer.de>
from=<[EMAIL PROTECTED]>  helo=<ara.bc.ca>
from=<[EMAIL PROTECTED]>  helo=<carver.it>
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from=<[EMAIL PROTECTED]>  helo=<colourscreen.de>
from=<[EMAIL PROTECTED]>  helo=<santiveri.es>
from=<[EMAIL PROTECTED]>  helo=<taxiworld.de>
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from=<[EMAIL PROTECTED]>  helo=<ircha.pl>
from=<[EMAIL PROTECTED]>  helo=<binary.co.nz>
from=<[EMAIL PROTECTED]>  helo=<alienor.fr>
from=<[EMAIL PROTECTED]>  helo=<homisspieleseite.de>
from=<[EMAIL PROTECTED]>  helo=<imoc.sinn.ru>
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from=<[EMAIL PROTECTED]>  helo=<postpetclub.nu>
from=<[EMAIL PROTECTED]>  helo=<erewhon.de>
from=<[EMAIL PROTECTED]>  helo=<delarge.co.uk>
from=<[EMAIL PROTECTED]>  helo=<n-hatton.demon.co.uk>
from=<[EMAIL PROTECTED]>  helo=<cebaco.de>
from=<[EMAIL PROTECTED]>  helo=<uht.ch>
from=<[EMAIL PROTECTED]>  helo=<bahn-seiten.de>
from=<[EMAIL PROTECTED]>  helo=<cyberdog.co.uk>
from=<[EMAIL PROTECTED]>  helo=<geckoxl.de>
from=<[EMAIL PROTECTED]>  helo=<yahoo.com>
from=<[EMAIL PROTECTED]>  helo=<bktag.se>
from=<[EMAIL PROTECTED]>  helo=<cyberpix.demon.co.uk>
from=<[EMAIL PROTECTED]>  helo=<qm-data.de>
from=<[EMAIL PROTECTED]>  helo=<hoetschl.de>
from=<[EMAIL PROTECTED]>  helo=<64.250.192.82>
from=<[EMAIL PROTECTED]>  helo=<64.250.192.82>

Mail to known users (which is what a legit mail server would be doing) 
rejected by the subscriber filter is really total crap.

subscribers from hsia.telus and (bgp|dhcp|pcp).comcast are spammers.  I 
think it's not risky to extrapolate that to ALL subscriber networks.

Now, what are the numbers of the RFCs that apply??  :))

Len



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