Friday 17th October 2025

Telstra Integrated Messaging - Notice of Service Impacting Issue - RESOLVED

Dear Customer,

We would like to provide an update regarding the recent issue on Telstra Integrated Messaging.

Impacted Services: Email Delivery We’ve identified an email delivery issue affecting our Telstra Integrated Messaging platform. This issue is isolated to customers whose email providers use Spamhaus filtering services.

Recommendation: Impacted customers are advised to engage their email service providers or vendors to take the necessary steps to unblock or whitelist our mail server IPs (3.105.214.218, 13.237.12.178 and 52.64.6.176).