!-- On Fri 30.Aug'13 at 20:27:43 BST, Grant (emailgr...@gmail.com), wrote: > >> I grep'ed the mail logs for dnsblog and got a huge number of these: > >> > >> [postfix/postscreen] warning: psc_dnsbl_request: connect to > >> private/dnsblog service: No such file or directory > > > > Looks as if you've found the problem. > > > > Make sure your master.cf has an entry like: > > > > dnsblog unix - - n - 0 dnsblog > > Thank you. I added it and restarted postfix and started to get errors > like these: > > [postfix/dnsblog] warning: dnsblog_query: lookup error for DNS query > MASKED.list.dnswl.org: Host or domain name not found. Name service > error for name=MASKED.list.dnswl.org type=A: Host not found, try again > > I did some searching and I think this was due to my use of Google's > DNS resolvers (8.8.8.8 and 8.8.4.4). I added my host's DNS resolver > first in the list and the errors seem to have stopped. Is that a good > config? > > I also read a recommendation to set up a caching nameserver like > unbound on the same machine as postfix. Is that the right thing to > do? > > Is there a way to verify that everything is working properly? > > - Grant
using a local DNS server has worked brilliantly for me. It's trivial to set up and provides excellent benefits. -- James Griffin: jmz at kontrol.kode5.net A4B9 E875 A18C 6E11 F46D B788 BEE6 1251 1D31 DC38
