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DMARC stands for: Domain-based Message Authentication, Reporting and Conformance: domain-based message authentication, reporting and conformance of messages. The background to DMARC.org is to incre...

Have you received unwanted emails from a CSA Certified Sender? Please let us know by submitting the email to csa-complaints@eco.de and make sure to include the extended header. We will use the exte...

CSA senders agree to comply with strict legal and technical quality standards (CSA Criteria). Within the last six months the following senders have exceeded the permissible number of notifications ...

Services Certification The CSA certifies senders of commercial emails who adhere to high quality standards. CSA certification gives you deliverability advantages with international mailbox and s...

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About CSA Who is the Certified Senders Alliance (CSA)? The Certified Senders Alliance (CSA) is a service from eco – Association of the Internet Industry in cooperation with the German Dialogmark...