Search Results for: ESP

How monitoring can help to identify deliverability issues early on – and why we should reconsider deliverability The examples in this article are based on real-life cases from the CSA Certification...

Many senders believe they are doing everything right. Their domains are authenticated, their campaigns are permission-based, and their deliverability metrics appear stable. Yet sooner or later, some s...

In the world of email deliverability, discussions often focus on content quality, engagement metrics, and authentication protocols such as SPF, DKIM, and DMARC. However, an often-overlooked layer of e...

Introduction When CSA approached me and invited me to write about the future of the email ecosystem and what I quickly said yes. I'm always happy to discuss email in general and deliverability in par...

A statement on the future of trust, deliverability, and self-regulation in commercial emailing Looking Back on 2025: Setting the Course Together When I look back on the year 2025, I do so with pride...

In October, the CSA announced its partnership with Orange, one of Europe’s largest mailbox providers. The news received strong attention across the industry, and rightly so. Today, we would like to...

The peak period of email marketing around Black Friday and holiday communications is a stress test for deliverability every year. Senders increase their sending frequencies, campaign volumes spike dra...

“The old domain was burned– so we started fresh.” A phrase that is often heard in practice. A supposedly quick fix, but one that usually leads to even greater delivery problems in practice. The ...

How Halon uses machine learning to simplify one of email’s biggest challenges Every deliverability expert knows the chaos of bounce management: vague error messages, endless regex rules, and the cons...

Senders are required to provide their IP addresses during the certification process for new customers. We upload these and use them to create the corresponding account in the Certification Monitor. Cu...