The Postmastery Blog: Insights, Tools & Best Practices for Email Deliverability

Explore Postmastery’s New YouTube Channel Featuring Highlights from the Postmastery Day 2024 & EMAS.

We are pretty excited to announce the launch of Postmastery’s brand new YouTube channel, what we hope will be a hub for insightful and engaging content on email deliverability. Our first uploads feature sessions from the very first Postmastery Day at the Deliverability Summit, held at The Rosarium in Amsterdam on April 11, 2024. This […]

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Categories: Authentication, General

All the bounce we cannot see: A Deferral story

When we work in email deliverability, we constantly hear about the processing of bounces, sometimes about blocking bounces and more often about suppressing bounces… In short, as you will have understood, processing bounces is the absolute prerequisite to email deliverability … But then, what about Deferrals… Should we process them? And if yes, how? What […]

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Categories: Authentication, Deliverability

Enhancing Email Deliverability with Yahoo Sender Hub

In the ever-evolving landscape of email marketing, ensuring that your messages reach the intended recipients’ inboxes is paramount. Enter Yahoo Sender Hub, a platform designed to help email marketers and organizations optimize their email deliverability to Yahoo Mail users. Let’s explore what Yahoo Sender Hub is and what are its key features. What is Yahoo […]

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Categories: Deliverability, General, ISP

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

Google & Yahoo’s February Bulk Email Policies: A Guide to Compliance

On October 3rd 2023, Google and Yahoo introduced new requirements to fight spam! This is a major change for the email industry, while, for the first time, two of the biggest Mailbox Providers announced commonly that they will apply the same restrictions to bulk senders. Who is concerned about it? For Gmail personal accounts (Gmail.com […]

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Categories: Authentication, Deliverability, General

Making the Choice: On-Prem or ESPs?

In June of this year, we were in Prague as one of the proud sponsors of the Deliverability Summit. We also took part in a great panel discussion Expert Advice from Alice Cornell, Steve Tuck of Halon, Matthew Grove of Mailchimp and our own Maarten Oelering. The discussion focussed on owning your email infrastructure. https://vimeo.com/845510055/4570b89de8? […]

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Categories: Authentication, Deliverability, General

Introducing The Postmastery Global Email Deliverability Benchmark Report: A Game-Changer For The Email Industry

We at Postmastery are excited to announce that we are in the process of creating our first-ever Global Deliverability Benchmark Report. By establishing such a report, we aim to assist our clients in Performance Benchmarking and Optimisation as well as Strategy Development. As the creators of this benchmark report, we plan to aggregate data from […]

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Categories: Deliverability, General

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