WELCOME TO THE CSA RESOURCES PAGE

 

Explore a comprehensive collection of resources on email deliverability, authentication standards, and best practices for secure and compliant email communication. From technical guides and legal insights to answers to frequently asked questions, the Certified Senders Alliance (CSA) provides easy access to key materials to support your email success.

CSA BLOG

Whether you're new to sending email or a deliverability veteran, find best practices and practical tips for you to achieve consistent email delivery:

Understanding Deliverability: Spotting the Warning Signs

How monitoring can help to identify deliverability issues early on – and why we should reconsider deliverability The examples in this article are based on […]

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Why Legitimate Senders End Up on Blocklists: Key Takeaways from the CSA Webinar

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 […]

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DNS Hygiene: Why Dangling Records Are a Silent Threat to Your Brand’s Reputation

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 […]

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Webinars & Video Resources

Watch expert-led webinars on email best practices.

Library – Expert Knowledge & Whitepapers

Explore in-depth whitepapers, reports, and industry insights on email security, deliverability, and legal compliance.

Email Authentication in the Financial Sector

Protection Against Cyber Threats and Ensuring Inbox Delivery: In today’s fast-paced and digitalised world, communication security is paramount. For many companies, email is a central […]

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The Certified Senders Alliance – Building Quality and Trust in the Email Ecosystem

The Certified Senders Alliance is a service of the eco Association of the Internet Industry, in cooperation with the German Dialogue Marketing Association (DDV). Since […]

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CSA Certification Monitor – Improve email deliverability with data-driven insights

The CSA Certification Monitor is a self-service tool for certified Senders to monitor deliverability and maintain their certification status. CSA Senders gain access to valuable […]

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FAQs

Answers to common questions about CSA

Directive for Permission Based-Email Marketing

Navigating email marketing law

CSA Regulations & Price List

Valid for existing certifications until 19 July 2026

Download key CSA documents

CSA Regulations & Price List

Valid for new certifications now, for existing certifications from 20 July 2026

Download key CSA documents

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