Re: ipv6 PTR record; was: Re: Fwd: Bounce action notification

Thanks for the hints Russ! I am not sure who manages ovirt.org's DNS records, but if we can add a PTR record for 2600:3c01::f03c:91ff:fe93:4b0d and that solved the issue, that would be great. Who can do this? Thanks, Dave. On 01/02/2014 07:08 PM, R P Herrold wrote: > On Thu, 2 Jan 2014, Dave Neary wrote: > >> I looked up lists.ovirt.org, linode01.ovirt.org and ovirt.org on >> SenderBase, and all have a good reputation... anyone more familiar with >> mail spam handling who can intervene/investigate? > > >>> "said: 550 Connections from the host Unknown >>> (2600:3c01::f03c:91ff:fe93:4b0d), originating from SenderBase > > As the message says, and I confirm, there is no ipv6 PTR > record. Wearing my ISP hat, we do not favor email lacking > such in our spamassassin rules, and I know that the US ISP > Comcast also down-rates / refuses email from hosts lacking > such > > [herrold@centos-6 ~]$ host 2600:3c01::f03c:91ff:fe93:4b0d > Host > d.0.b.4.3.9.e.f.f.f.1.9.c.3.0.f.0.0.0.0.0.0.0.0.1.0.c.3.0.0.6.2.ip6.arpa > not found: 3(NXDOMAIN) > [herrold@centos-6 ~]$ > > I would start by getting it set