What does error code 552 mean in the context of email delivery?

By: USER3395
23 Agustus 2025 Support 5 minutes
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Grade: Education Subject: Support
What does error code 552 mean in the context of email delivery?
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In email delivery, error code 552 signifies that the recipient's mail server has refused the message. Common reasons include the sender's IP address being blacklisted, the recipient's inbox exceeding its storage limit, or the email itself containing content that triggers spam filters.
Answered on 23 Agustus 2025

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