macshane tracy kvsupyeuwjmpcairservicesaustraliacom original message oigxspoibehdxpsropostfixorg mailtooigxspoibehdxpsropostfixorg behalf david porsche sent thursday 14 february 2008 748 rljdsngxyqohpostfixorg subject comcasts 6 recipient per second limit running issues comcastnet fortunate enough actually contact many customers complaining getting mailings one admins spam department swore last night 6 recipients per second rule gone end week moving dynamic sender score type program thanks david personally id happier stopped allowing zombied home machines stop spamming us rate tens thousands messages day thank god im us actually accept mail ive got rant anyone convenient way identifying mail relay hosts using kind regular expression ip range currently reject anything comcastnet hosts allowing actual mail hosts send would nice suppose rare instances comcast subscriber may actually want email us wed 06 aug 2008 110833 1100 comcasts 6 recipient per second limit