[Resolved] Proofpoint Essentials: Outbound mail to Google mail routing issue 01/16/2023

Please be aware, we are currently experiencing an issue with some outbound emails being routed to the Spam folder on Google mail and some cases resulting in emails being bounced.

Our team is currently investigating the root cause of the problem and working diligently to resolve it as quickly as possible.

We apologize for any inconvenience this may cause.

Outbound mail to Google mail routing issue

Starting January 16th at 10:40 UTC, Proofpoint Essentials customers have reported issues with outbound mail to Google mail being routed to the Google mail Spam folder and some cases mail being bounced by Google mail.
Proofpoint Essentials teams are actively investigating this issue and we have reached out to this service provider to work on remediating this.

Update 15:00 UTC
All Proofpoint teams are continuing to investigate this issue

Update 17:00 UTC
We are seeing an improvement in routing for several outbound senders, All internal teams are continuing to investigate this issue.
Next update in 2 hours

Update 18:00 UTC (11:00 MST)
The issue has been resolved.  Internal teams are still investigating the root cause.  Issue appears to have started in EU centers and moved to US later in the morning.  All customers reporting mail is now being delivered as normal.  Final update to be added later this week when investigation is complete.