On Tue, Dec 11, 2012 at 01:26:47PM -0500, [email protected] wrote: > No. It is preferable to run a local DNS server if you can, but if you > can't, and you don't know of problems resulting from that, it's not a > reason not to provide the data. > > Although it is definitely a reason to check to see if you are getting any > problems. The best place to look is to compare your hit rates of common > DNS RBL/WL rules: > > http://ruleqa.spamassassin.org/20121208-r1418628-n/RCVD_IN_DNSWL_LOW/detail > http://ruleqa.spamassassin.org/20121208-r1418628-n/RCVD_IN_SBL/detail
Looks good to me. Mine are "mas". > The two basic problems are: > 1) You get blocked by the RBL/WL, so you get no hits. > 2) Your provider's DNS server is evil and returns an IP for one of its > webservers to feed you advertising any time you look up a hostname that > doesn't have an IP, which can result in getting the same RBL/WL response > for every IP that isn't actually listed in that RBL/WL. Number 2) was actually a problem until I called my ISP to complain. They turned it off, mumbling something about "my loss" ... ;) Thanks, Marc
