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:

CSA IP Platform Certification with icons for email security, authentication and measurable quality
How the CSA IP Platform Certification Is Evolving to Meet the Requirements of the Modern Email Ecosystem

For over two decades, the Certified Senders Alliance (CSA) has had one clear objective: to strengthen trust and quality across the entire email ecosystem. What […]

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DKIM2: The Evolution of DKIM

DKIM2 is the evolution of DKIM, which was introduced by the Internet Engineering Task Force (IETF) in 2007 with Request for Comments (RFC) 4871 and […]

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Marketing emails to existing customers: Even a customer relationship involving indirect remuneration may fall within the scope of the existing customer exception

Sending marketing emails to existing customers is a popular practice. Without explicit consent, such mailings are only permitted under strict conditions. The relevant provision in […]

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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

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