Tsohost Help Centre

Affected Services

info_outline This incident is not connected to any specific service. Please check opposite for more details and risk to disruption.

Cloud Mailboxes issue - SMTP Error (451): Authentication failed

Resolved Oct 10th, 14:29 - 23:30 BST


Monitoringabout 1 month ago

The issue should be resolved now. We're still monitoring the service just to make sure that everything is working as expected.

Fixingabout 1 month ago

We are currently investigating on a Cloud mail related issue where mailboxes on different backend mail servers are throwing the following error:
"SMTP Error (451): Authentication failed"

The issue is already acknowledged by us and it's being investigated by our Cloud administrators. Please accept our apologies on the caused inconvenience!