Deploying Business-Critical Emails with PowerMTA on Azure: A Bluetooth SIG Case Study

Objective: new email delivery solution Bluetooth SIG sends hundreds of thousands of automated outbound messages daily and successful email delivery is critical to Bluetooth SIG’s operations. Due to various technical constraints, Bluetooth SIG started a RFP process in early 2018 to select and implement a new email delivery solution, the Microsoft Azure hosted PowerMTA Project […]

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Categories: Case Studies, Deliverability, General, PowerMTA

PowerMTA 6.0r2 released | Overview of features

On 03 January 2025, PowerMTA 6.0r2 was released. This PowerMTA update simplifies configuration with automatic MX rollups, adds a REST API for virtual MTA management and improves the scalability of accounting webhooks with concurrent HTTP connections. For more details and a complete list of changes, see below. All PowerMTA users who have an active support […]

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Categories: PowerMTA

Implement the List-Unsubscribe Header to Protect Your Email Deliverability

In our daily work, we still encounter missing List-Unsubscribe headers in emails. Reason enough to publish another BLOG post on this topic. It has become even more important recently since Google and Yahoo now include the list-unsubscribe mechanism among their requirements. What is a List-Unsubscribe header? When subscribers want to unsubscribe from a mailing list […]

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Categories: Case Studies, General, PowerMTA

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