Wietse: > [About blocking all mail from an ISP because some customer sent spam] > Such an approach makes sense only if receiving one spam message is > a bigger problem than losing a larger amount of legitimate email.
Noel Butler: > But how do you know its only " one " I'm sure if this IP in question was Your response shows that you have no clue about the ham:spam ratio (I do have a clue: I've been customer for 14 years and can't remember when I last received spam that originates from their network). This is a technical mailing list about Postfix. There is no room here for contributions without quantitative technical content. >From now on there is a taboo on SORBS, just like SPF. Trespassers will be shot. Wietse