>> >> >> >I am a bit worried about blocking people with dynamic IP addresses say from >> >their ISP, if they "inherit" an IP address recently used by an infected PC >> >they will still be in the RBL and get blocked. >> >> Machines on dynamic IPs should not be doing direct-to-MX submission, >> so block their entire networks with no looking back, eg use spamhaus >> PBL. In the spam business, nice, meticulous, conscientious people >> always get screwed. >> >> The network operators should be blocking access from their >> subscriber access networks to port 25. >> Hi, this last point means that their customers are bound to use the network operator's smtp for sending. While I generally believe that end users should send thru a smarthost, I also think it is a bad idea to restrict them to the network provider's smarthost. They might prefer to send via their company's SMTP instead
Wolfgang >> Len >> >> >>
