Noel Jones <njo...@megan.vbhcs.org> wrote: > On 11/28/2015 3:16 PM, Michael Grimm wrote: >> Viktor Dukhovni <postfix-us...@dukhovni.org> wrote: >>> On Fri, Nov 27, 2015 at 09:26:20PM -0500, David Mehler wrote:
>>>> In particular can I eliminate the rbl checks in >>>> smtpd_recipient_restrictions since they're going in the postscreen >>>> setup? >>> >>> Keep both. >> >> Please ignore my ignorance, but: why would one keep both? > > Postscreen caches responses. In some cases, the "live" query done > in smtpd may give a different answer. This is useful for newly > listed sites that contact you frequently during a spam run. > > For "fresh" queries, the answer will be in your DNS cache, so won't > add significant overhead. > > The short answer is to keep both. Thanks for your explanations, that clarifies the advantages for keeping both to me. Thus, I'll re-activate those rbl checks in my smtpd_recipient_restrictions section. Regards, Michael
