Hi all
(cross-posted so apologies if you get this more than once)
Just seeing if anyone else is experiencing an issue we're having ("we" being
Loughborough University), or if it is indeed Just Us [tm]. If anyone from or
related to uwo.ca is on the list, so much the better.
We've had reports this morning of us rejecting emails from uwo.ca, and we have
emails to uwo.ca stuck in the outbound queue. Inbound rejections are because we
can't resolve the inbound MAIL FROM domain - lookups time out.
It seems we are unable to make any DNS queries against their IPv4 nameserver
addresses. We can against their IPv6 nameserver addresses but there's no IPv6
glue in their delegation from the .ca nameservers, we need to use v4 - and
can't.
It also looks like we can't talk to the MX server farm on port 25 either.
So... is it a routing problem, or have we upset uwo.ca for some reason?
Regards
Graeme
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