cryptographic hash functions

What Role Do Hash Functions Play in Spam and Phishing Prevention?

Hash functions are integral in spam and phishing prevention mechanisms. For instance, SPF (Sender Policy Framework) and DMARC (Domain-based Message Authentication, Reporting & Conformance) use hash functions to verify the sender’s identity and the integrity of the email content. This helps in identifying and blocking fraudulent emails.

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What are Cryptographic Hash Functions?
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