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Announcements
EWS is being deprecated - update permissions to continue using the Microsoft Exchange Backup product
Microsoft is deprecating the EWS API used for M365 Exchange backups, on 1st Oct 2026. If you're protecting an Exchange tenant, please navigate to th...
Update 11:35 GMT+1 Quarantine Reports As part of our post-resolution monitoring and checks to confirm that all services are operating as expected, we id...
Office365 intermittent deferred messages with: "450 4.7.9 Application queue quota exceeded" Date: 02 Jun, 2026 18:25 GMT / 14:25 EST Star...
At the end of June 2026, ArcTitan is moving to a new Admin UI with modern OAuth 2.0 sign-in via your chosen identity provider (IDP). Key information ArcT...
Date: 2026, April 6, 10:15 AM ET Problem: Starting around 4 hours ago, many systems started sending a much higher rate of messages to Sandboxing, with th...
Date: March 31, 2026 17:40 PM EncryptTitan Outbound IP was listed on SpamHaus from 14:45 - 16:45 GMT (March 31, 2026) Between about 14:45 (10:45 AM ET) ...
Dear customers, We will be adding additional resources to this SpamTitan cloud at 10 am GMT on the 9th of March. This will not cause any server downtime ho...
Date: 2026/January 22 - 2:30 PM ET US / 19:30 GMT Starting around Jan 22 17:47 GMT (about 2.75 hours ago), Office365 overall started returning the foll...
Date/Time: 12:30 ET US-- 14 Jan, 2026 Around 12:15PM ET US, there was slowdown in mail flow on US4 SpamTitan clouds. There is current a significant ...
Priority: 1 Affected Service: Customers using us1-smtp-ui.titanhq.com on the SpamTitan Cluster, this started on July 24th, around 6AM GMT / 2PM ET US...