Rui Ribeiro <ruyrybe...@gmail.com> writes: > There were even customized ports of Qmail in the past that had options > that could be easily be enabled to downright refuse email from emails > hosts not matching A/PTR or HELO...not exactly good citizenship....
Well it's like anything else, a couple of bad neighbors ruin things for everyone. Same reason my /etc/hosts file has 15,000 lines of known mal/ad-ware domains. Allan