ipv6 PTR record; was: Re: Fwd: Bounce action notification
Ewoud Kohl van Wijngaarden
ewoud+ovirt at kohlvanwijngaarden.nl
Thu Jan 2 21:05:41 UTC 2014
Since Linode is owner of the reverse DNS zone, whoever has access to the
linode control panel.
On Thu, Jan 02, 2014 at 08:41:22PM +0100, Dave Neary wrote:
> 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?
> 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 at 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.220.127.116.11.2.ip6.arpa
> > not found: 3(NXDOMAIN)
> > [herrold at centos-6 ~]$
> > I would start by getting it set
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