MailFixIt

Email troubleshooting guides

Email DNS diagnostics, organized by problem

Find why an expected email DNS record is missing or differs from the provider-issued value.

Choose the article that matches the provider, record type, or exact error shown in your mail logs.

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DNS record not detected after saving the provider-issued valueDiagnose a DNS record that is not detected after saving it. Compare the exact TXT, CNAME or MX value, identify a duplicated hostname, and avoid unsafe DNS changes.

Primary sources: Primary technical reference.

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