The sender is no longer certified. Please click here to find the current list of CSA senders.



Certified companies meet high security and quality standards in commercial bulk emailing, particularly in the following areas:

  • Authentication
  • Trust & Transparency
  • Abuse Prevention
  • List Hygiene
  • Reputation

See the complete CSA standards here.

What certified companies gain from certification:

  • Reliable communication:
    Trustworthy communication between certified companies and receiving mailbox and security providers.
  • Improved delivery rates:
    Fewer filtering issues and higher delivery rates.
  • Performance monitoring:
    Detailed analysis of vulnerabilities, e.g. authentication or reputation issues, using real data.

Explore all certification benefits here.

Are you an email sender who is interested in the benefits of a certification as well as contributing to the improvement of the quality of commercial emails?

Please contact us. We will be happy to assist you.

+49 (221) 70 00 48-0

info@certified-senders.org

    Get in touch with us