Thanks for posting it here.
Their admin panel and most services are down for me.
I can't even get to their status page.

Surprisingly, the only thing that's still up for most of my clients is
Teams.

-A

On Thu, Jan 22, 2026 at 12:31 PM Eric Tykwinski via mailop <
[email protected]> wrote:

> Mark,
>
>
>
> We are seeing the same thing.
>
> It’s on the portal:
>
> https://status.cloud.microsoft/m365/referrer=serviceStatusRedirect
>
>
>
> More info: More info: Users may be receiving a "451 4.3.2 temporary server
> issue" error message when attempting to send or receive email through
> Outlook.
>
>
>
> Some of the impacted service functions include, but may not be limited to:
>
> - Sending and receiving email through Exchange Online, including
> notification emails from Microsoft Viva Engage.
>
> - Accessing the service portals, including Microsoft Purview, Microsoft
> Defender XDR, and the Microsoft 365 admin center.
>
>
>
> Current status: We've identified a portion of dependent service
> infrastructure in the North America region that is not processing traffic
> as expected. This is impacting our load balancing processes and general
> service availability. We're working to restore this infrastructure to a
> heathy state and rebalance the service traffic to achieve recovery.
>
>
>
> Scope of impact: Any users served through an affected section of service
> infrastructure in the North America region may be intermittently impacted.
>
>
>
> Sincerely,
>
>
>
> Eric Tykwinski
>
> TrueNet, Inc.
>
> P: 610-429-8300
>
>
>
>
>
> *From:* mailop <[email protected]> *On Behalf Of *Mark Alley via
> mailop
> *Sent:* Thursday, January 22, 2026 3:06 PM
> *To:* mailop <[email protected]>
> *Subject:* [mailop] Microsoft 365 DNS failure?
>
>
>
> Hey all, anyone else seeing DNS issues with *.mail.protection.outlook.com
> FQDNs? Our queues for mail to EXO tenants is growing steadily due to either
> deferrals or DNS lookup failures.
>
> - Mark Alley
> _______________________________________________
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>
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