How does SPF, DKIM, and DMARC relate to SMTP error 552 5.2.0?

By: USER6698
26 Agustus 2025 Support 5 minutes
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Question

Grade: Education Subject: Support
How does SPF, DKIM, and DMARC relate to SMTP error 552 5.2.0?
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While not a direct cause, improper SPF, DKIM, or DMARC configuration can lead to emails being rejected, potentially resulting in a 552 error. These authentication methods help verify the sender's identity. Ensure they are correctly configured to avoid being flagged as suspicious.
Answered on 26 Agustus 2025

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