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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

Fight against spam part 1 – Postfix SPF

BigRetroMike Leave a comment

Sender Policy Framework (SPF) –  is a simple email-validation system designed to detect email spoofing by providing a mechanism to…

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