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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:

The Limitations of Seed Data and the Importance of Real Data for Email Performance

Delivering legitimate emails to the inbox is no longer a given, and this is no secret to senders: without regularly monitoring performance and reputation, there’s […]

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[Guest Post] Postmastery Console’s Reputation Monitor Now Integrates Data from Certified Senders Alliance

This article is also available in French. Please find the French version below.   [English Version] Presented at the last CSA Email Summit in Cologne […]

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How Quickly Does a Newsletter Unsubscribe Have to Be Implemented?

The newsletter unsubscribe – or opt-out Recipients of newsletters and other advertising emails have the right to unsubscribe from these emails at any time (opt-out). […]

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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

Download key CSA documents

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