In our previous episode (Sunday, 07-Apr-2013), Wietse Venema said: > LuKreme: >> In our previous episode (Saturday, 06-Apr-2013), Wietse Venema said: >>> LuKreme: >>>> >>>> I've just updated my postfix install to 2.8 patch 14 (from 2.7) >>>> and am looking into enabling postscreen. I've read the >>>> http://www.postfix.org/POSTSCREEN_README.html document, and it >>>> looks like I should replace my old rbi checks with the new >>>> postscreen_dnsbl_sites value, but what about some of the other >>>> checks? >>> >>> I suggest you don't change your existing spamblocking features. >> >> Really? What is the advantage of polling the RBL at spamhaus again? > > You're not polling it again. The information is cached in the DNS > server. And in the case that the DNSBL lookup result came too late > for postscreen, it may still arrive in time for smtpd(8).
Ah, yes, I hand't thought of that. >> And aren't reject_unknown_reverse_client_hostname and >> reject_unlisted_sender redundant in smtpd_recipient_restrictions? > > Please RTFM. postscreen doe snot implement every smtpd feature. I honestly did, and I thought those in particular where ones that would be redundant. I will leave it as it is, thanks. -- A good friend will come and bail you out of jail but a true friend will be sitting next to you saying, "Dang, that was fun."