May 19, 2017
Review: CSA Summit 2017 Back to the future?!

On a beautiful sunny day, 120 attendees from 12 nationalities gathered in the Sports Museum on the banks of the river Rhine in Cologne for the plenary session of the annual CSA Summit on Thursday, 11 May 2017

We had insightful sessions with international top level speakers, exchanges and networking opportunities.

If you have missed the event or want to share your experience with colleagues, have a look at our video of the CSA Summit 2017, the photo gallery or read the report!

We’re already looking forward to seeing you next year!

November 9, 2016
Hornetsecurity joins the CSA

Hornetsecurity has focused on Cloud Computing since its founding in 2007 under the name antispameurope. The company offers comprehensive solutions in the areas of email security, web security and file security. In addition to offering high level of protection of customers’ IT infrastructures, the company stands out by being user friendly, offering solutions that are easy to manage and by delivering high level of transparency and control.

The reason why Hornetsecurity joined the CSA:
“By using the CSA list, we can improve the quality of our spam filters and the internal speed of filtering for mass mailshots.”

November 9, 2016
ingenit GmbH & Co. KG joins the CSA

ingenit GmbH & Co. KG is, from September 2016, official ISP Partner of the Certified Senders Alliance.

ingenit GmbH & Co. KG is an Internet Full Service Provider and is active in a variety of other areas of information processing and presentation. Since 1997 ingenit has specialized in the registration of international domains (domain names). Their registration portal has become the first port of call for numerous customers who value the short processing times and specialist support. A further service is the offer of courses and consultations
related to Java Enterprise and XML, as well as the development of specialized software solutions for corporate networks and the Internet.

The reason why ingenit joined the CSA:
“To support a meaningful concept and to optimize our own spam filters by tightening restrictions.”

September 20, 2016
New eco Directive for Permissible e-Mail Marketing

What is new in this edition?

  • A series of recent judgments (e.g. the judgment of the German Federal Court of Justice on automated email responses)
  • The extensive list of countries for which the legal basis of email marketing is explained has been supplemented
  • and further more …

Download here.

June 21, 2016
Legal situation for email marketing in GER, AUT & CHE

Increasingly, the legal experts of the Certified Senders Alliance (CSA) are asked at exhibitions and email marketing events, most recently at the DMX Austria 2016 in Vienna, how the legal conditions differ in Germany, Austria and Switzerland. In principle, without written consent it is not allowed to send advertising emails. Nevertheless, there are some differences which must be followed with regard to the concrete declaration of consent and existing exceptions in the single countries.

We have put together a table for you in which the legal specifics are shown clearly.

June 21, 2016
DKIM setup the easy way

To put it in a nutshell, DomainKeys Identified Mail (DKIM) enables a receiving email server to authenticate the sender of an email. The sending email server digitally signs each sent email. These signatures are cryptographically created with a so-called private key. These digital signatures are placed in the email header, which the end user normally doesn’t see. The receiving email server can, however, validate these signatures via the corresponding public key which needs to be placed in the Domain Name System (DNS), so the receiving email server can fetch it from there.

Read the full document here

June 16, 2016
imatrix corp. joins the CSA

imatrix corp. is, from April 2016, official Technology Partner of the Certified Senders Alliance.
imatrix corp. was founded in 2000 and has since then been providing advanced security products to protect Japanese network environment with a huge variety of scientific approach such as biological genetic technology, latest stochastic technology, deep learning technology, etc. from continuously-emerging threats.

The reason why imatrix corp. joined the CSA:

“Since the internet is connecting the world, a security firm located at East Asia like us have to take care of European-originating legitimate emails as well as spam.
The CSA is the only alliance to organize legitimate mailers in Europe and looks like it has been operated properly, so we decided to take part in the CSA.
After the participation, the performance of our email filter has become more accurate than ever.”


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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.