Microsoft 365 DMARC Reporting

Publish DMARC with RUA to collect aggregate data.

Steps

1. Publish DMARC record with rua=
2. Analyze via DMARC Report Analyzer
3. Fix failing sources (SPF/DKIM)

FAQ

• RUF? Use forensic cautiously; privacy concerns
• No reports? Ensure volume and correct RUA

Validation & Screenshots

Microsoft 365 DMARC 报告验证建议执行，截图可选。

Gmail: Show Original

1. 打开测试邮件 → Show original
2. 确认 DMARC: PASS 与报告生成

Screenshot placeholder: /assets/guides/m365/gmail-show-original.png

DMARC Report Analysis

1. 收集聚合报告
2. 用 DMARC Report Analyzer 分析

Screenshot placeholder: /assets/guides/m365/dmarc-report-analysis.png

Platform Validators

• DMARC Report Analyzer
• DMARC Analyzer
• TXT Lookup