What is the significance of SPF, DKIM, and DMARC in relation to these email delivery errors?

By: USER8679
27 Agustus 2025 Support 5 minutes
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Grade: Education Subject: Support
What is the significance of SPF, DKIM, and DMARC in relation to these email delivery errors?
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SPF (Sender Policy Framework), DKIM (DomainKeys Identified Mail), and DMARC (Domain-based Message Authentication, Reporting & Conformance) are email authentication protocols. Failure to properly configure these can lead to emails being rejected with '5.1.0' or similar errors, as receiving servers may consider the email as potentially spoofed or unauthorized.
Answered on 27 Agustus 2025

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