List-Unsubscribe header critical for sustained email delivery

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

Improve Email Delivery with PowerMTA’s Defer-Job Setting

Email delivery is a critical aspect of any business’s communication strategy. However, maintaining a good reputation for your email delivery IP can be a challenge, especially when using a shared IP with multiple customers. In such a scenario, the actions of one customer with a low reputation can adversely affect the entire queue, causing delays […]

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Categories: Authentication, Deliverability, General, PowerMTA

Postmastery adds 10 years MTA experience with Appointment of Yves-Marie Le Pors-Chauvel

AMSTERDAM, NL 29th January 2023 – Postmastery, a renowned provider of email delivery solutions, is thrilled to announce the appointment of Yves-Marie Le Pors-Chauvel as its new Deliverability Engineer. With over 10 years of experience in the email industry, Yves-Marie brings a wealth of knowledge and expertise to Postmastery. He has gained unique insight while […]

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Categories: General, Postfix, PowerMTA

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