Entries by Stefan Sturm

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NoSpamProxy Summer School

As a security expert, you have a great deal of responsibility and also have your hands full. With our Winter School we offer in entertaining special trainings with many practical examples, for the necessary knowledge. The aim of our security training courses is to give you an understanding of the special IT security topics. Register now and save your place. Register now and save your place.

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Sender Reputation and Email Security – Part  4: Domain-based Message Authentication, Reporting and Conformance (DMARC)

In the fourth part of our series of articles on sender reputation, we show you how you can use Domain-based Message Authentication, Reporting and Conformance (DMARC) to determine how the receiving server should authenticate your emails and what it should do if authentication fails. In addition, we explain how you can use DMARC to quickly be informed about abuse of your domain and thus protect the reputation of your domain.