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Announcements
Office365 intermittent deferred messages with: "450 4.7.9 Application queue quota exceeded" Date: 02 Jun, 2026 18:25 GMT / 14:25 EST Star...
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...
What: Private Cloud SpamTitan Version Upgrade Shared Cloud SpamTitan Upgrade When: Shared Cloud: 14 April Private Cloud: Bet...
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...
Dear customers, We are aware of IPs on our outbound cloud, cloud-out-c.spamtitan.com, being blacklisted by Microsoft. We are working now to rotate these ...
*** The Delisting of IP 34.194.51.1 has been completed *** Date: 2026 3 Feb 11:30 AM ET US / 16:30 GMT Problem: cloud-out-d.spamtitan.com, IP address 34...
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...