On 2011-06-14 Rich Wales wrote: >>> b) rdns for 95.53.111.119 gives >>> pppoe.95-53-111-119.dynamic.lenobl.avangarddsl.ru >> >> This might be covered by Stan Hoeppner's PCRE for dynamic IP ranges: >> http://www.hardwarefreak.com/fqrdns.pcre > > Additionally, a reliable DNSBL (block list) could be used to detect and > block IP addresses which are known spam sources and/or are dynamically > assigned.
Personally I prefer policyd-weight (to avoid rejecting valid mails because of false positives on a single RBL), but yes. Regards Ansgar Wiechers -- "Abstractions save us time working, but they don't save us time learning." --Joel Spolsky
