On 01/04/2016 05:46 AM, Reindl Harald wrote: > > > Am 04.01.2016 um 13:53 schrieb a.sm...@ldexgroup.co.uk: >> On Jan 4, 2016, 3:42 AM, rwmaillists at googlemail wrote: >>> >>> No look-up is done. RDNS_NONE tests whether rdns is recorded in the >>> received header. You need either to turn it on or turn the rule off. >>> >> Hi, Thanks for the reply. Ok so I assume you mean its a header that has >> to haven been put in the mail by the receiving MTA (ie my Exim server)? >> Would you mind elaborating, I've googled for RDNS header but haven't >> worked out what exactly you are referring to. > > Postfix does the right thing by default > > Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) > by mail-gw.thelounge.net (THELOUNGE GATEWAY) with SMTP id 3pYyM21T4fz28 > for <h.rei...@thelounge.net>; Mon, 4 Jan 2016 14:23:10 +0100 (CET) > _______________________________ > > this sounds like Exim has unuseable defaults for SA > > https://www.ssisg.com/galaxy/knowledgebase.php?action=displayarticle&id=24 > > > To enable reverse DNS lookups in Exim, you would edit your exim > configuration file (usually /etc/exim.conf) and add the following > towards the top of the file: > > host_lookup = 0.0.0.0/0 > Exim's default configuration file contains:
host_lookup = *
