Since yesterday, we have notice emails queuing up that should be delivered to access.ironport.com. The emails are release notification from Spam Quarantine and user Report Spam. I have ran the diagnostic test from the CLI and it attempts to resolve to c602-nl.ironport.com (IP 184.108.40.206) but is unable to connect. I have also tested from MXToolbox website and receive the same message.
Thank you Doug. This has been addressed, and submissions should be working through the domain as needed at this time. If that is not the case, or if there are other customers that are still seeing issues with access.ironport.com, please let us know.
You can run tophosts active_rcpts on the CLI of the appliance(s) and verify.
We have configured the outside and inside Interface with official ipv6 adresses, set a default route on outside Interface to our router, we also have definied a rule , which also gets hits, to permit tcp from inside Interface to any6.
In Syslog I also se...