Hi Wietse
Am 16.05.2017 um 20:11 schrieb Wietse Venema:
> Good luck debugging this. I expect yiu have a chroot issue.
>
as usual you are right :-)
Had chroot 'y' for several postfix processes in master.cf
After setting to 'n' and postfix restart the reverse dns check seems to
be working as expect
Wietse Venema:
> Tobi:
> > Hi Wietse
> >
> > Sorry should have mentioned after your reply that ipv6 is disabled
> > on all my boxes. And have postfix inet_protocol set to ipv4 anyway
> > So no reason for postfix to query a nameserver via ipv6. At least
> > I do not see one :-)
>
> Postfix does no
Tobi:
> Hi Wietse
>
> Sorry should have mentioned after your reply that ipv6 is disabled
> on all my boxes. And have postfix inet_protocol set to ipv4 anyway
> So no reason for postfix to query a nameserver via ipv6. At least
> I do not see one :-)
Postfix does not query IPv6 DNS servers when loo
Hi Wietse
Sorry should have mentioned after your reply that ipv6 is disabled on all my
boxes. And have postfix inet_protocol set to ipv4 anyway
So no reason for postfix to query a nameserver via ipv6. At least I do not see
one :-)
Regards
tobi
- Originale Nachricht -
Von: Wietse Vene
Tobi:
> Am 16.05.2017 um 13:15 schrieb Wietse Venema:
> > Tobi:
> >>> Client host rejected: cannot find your reverse hostname,
> >>> [185.140.48.241]
> > Here's a hint:
> >
> > % host 185.140.48.241
> > ;; connection timed out; no servers could be reached
> I can reliably resolve that ip from m
Am 16.05.2017 um 13:15 schrieb Wietse Venema:
> Tobi:
>>> Client host rejected: cannot find your reverse hostname,
>>> [185.140.48.241]
> Here's a hint:
>
> % host 185.140.48.241
> ;; connection timed out; no servers could be reached
I can reliably resolve that ip from my server.
Since then I h
Tobi:
> > Client host rejected: cannot find your reverse hostname,
> > [185.140.48.241]
Here's a hint:
% host 185.140.48.241
;; connection timed out; no servers could be reached
Note that zone 48.140.185.in-addr.arpa has DNS servers with IPv4
and IPv6 addresses, but I get no reply from their
Hello list
recently I setup rDNS rejects for postfix via
> reject_unknown_reverse_client_hostname
in smtpd_client_restrictions in main.cf
After that I saw in the logs that mails from the ntp mailinglist get rejected
> Client host rejected: cannot find your reverse hostname,
> [185.140.48.
