On 12/20/2016 11:48 AM, Wido den Hollander wrote:
Op 20 december 2016 om 17:31 schreef Nathan Cutler <ncutler@xxxxxxx>:
Looks like it was trying to send mail over IPv6 and failing.
I switched back to postfix, disabled IPv6, and show a message was
recently queued for delivery to you. Please confirm you got it.
Got it. Thanks for the fix!
I wouldn't call it a fix. In 2016 (almost 2017) IPv6 should be enabled, no questions asked.
After the recent migrations both ceph.com and tracker.ceph.com lost their IPv6. To me that's broken connectivity.
When is this coming back?
Tracker never had an IPv6 record as far as I'm aware. Nevertheless, I
added its AAAA record to DNS. We don't manage the reverse DNS for it,
however, so outgoing mail to gmail addresses still fails because the
IPv6 address lacks a PTR record.
www.ceph.com lost its IPv6 record because it is using a floating IP
after its move to the new DreamCompute cluster. IPv6 isn't functional
for floating IPs in that cluster yet.
The new ceph.com host isn't using a floating IP and will have an IPv6
record when we switch over.
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