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

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 […]

Read the complete article

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 […]

Read the complete article

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? […]

Read the complete article

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 […]

Read the complete article

Categories: Deliverability, General

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 […]

Read the complete article

Categories: Authentication, Deliverability, General, PowerMTA

Postmastery joins Signal Spam

Postmastery is becoming a member of Signal Spam to ensure our clients have maximum visibility into reputational threats and complaints emanating from the french eco-system. Signal Spam is a non-profit organisation dedicated to fighting against electronic messaging abuse, including spam, phishing, and malicious email content. It was founded in 2005 and is based in Paris, […]

Read the complete article

Categories: Authentication, Deliverability, General

Postmastery – Appoints Yves-Marie Le Pors-Chauvel As Deliverability Engineer

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 […]

Read the complete article

Categories: General, Postfix, PowerMTA

There are many more interesting blogs by category for you to read.