Exchange Header Troubleshooting

Headers reveal every step: auth results, path, ARC.

Steps

1. Open original message source
2. Check Authentication-Results
3. Analyze via Header Analyzer

FAQ

• dkim=fail? Check selector and TXT
• spf=fail? Verify includes and MAIL FROM

Validation & Screenshots

Exchange 头部故障排除验证建议执行，截图可选。

Outlook: Message Header Details

1. 右键邮件 → View message details
2. 查看 Authentication-Results 头部

Screenshot placeholder: /assets/guides/exchange/outlook-header-details.png

Header Analysis Tool

1. 复制完整头部
2. 粘贴到 Header Analyzer

Screenshot placeholder: /assets/guides/exchange/header-analyzer-results.png

Platform Validators

• Header Analyzer
• SPF Checker
• DKIM Checker