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Tag: dmarc

Fight against spam part 3 – Postfix DMARC

2016-12-04 BigRetroMike Leave a comment

Domain-based Message Authentication, Reporting and Conformance (DMARC) is an email validation system designed to detect and prevent email spoofing. It…

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Posted in: IT Tutorial Filed under: dkim, dmarc, postfix, spam, spf
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