Take the right decision: Participate in the Certified Senders Alliance. Help fight against spam and promote serious and reliable email marketing.

As a participant you will benefit by significantly saving resources. The Certified Senders Alliance helps you to simplify technological and administrative processes. Bilateral negotiations between senders and providers are no longer neccessary.

The Certified Senders Alliance is an established label of quality.

Your business partner will ask you for it.

CSA senders agree to comply with strict legal and technical quality standards (=mandatory admission criteria). Within the last six months the following senders have exceeded the permissible number of reprimands due to violations of the CSA admission criteria:

Reprimands due to violations of technical criteria:

  Silverpop Systems Inc. / IBM - Due to the high number of reprimands the sender was temporary excluded from the whitelist. In the meantime the sender took appropriate measures to improve quality so the temporary exclusion was revoked.

Reprimands due to violations of legal criteria with multiple customers:

  kajomi GmbH (1 customer)

  Klick-Tipp Limited (1 customer)

  w3work Gneuß & Arnold GbR (1 customer)

Reprimands due to violations of legal criteria with multiple customers and violations of technical criteria:

  - none -

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Sebastian Fitting
Consultant Complaints Office

Nikolai Furmanczak
Systems Engineer

Rosa Hafezi
Legal Consulting and Certification

Julia Janßen-Holldiek

Alexandra Koch-Skiba
Head of Complaints Office

Maike Marx
Marketing & Customer Relations

Genc Mulhaxha
Sales Manager

Kira Pleschka
Consultant Complaints Office

Qadir Rostamzada
Marketing & Business Development

Peter-Paul Urlaub
Consultant Complaints Office

Alexander Zeh
Engineering Manager

Get in touch with us if you are interested in participating in the Certified Senders Alliance. Find our contact details alongside.

Just let us know if there are any questions left!
You received unwanted emails from a CSA-certified Sender?

Please let us know by submitting the email including full headers to to help us ensure the quality of the Certified Senders Alliance. We take the measures necessary to clear up the underlying facts, and sanction violations of the regulations of the Certified Senders Alliance.