| ARC protocol | |
| Country/Region | |
| Language | |
| Spam Confidence Level | |
| Phishing Confidence Level | |
| Spam Filtering Verdict | |
| IP Filter Verdict | |
| HELO/EHLO String | |
| PTR Record | |
| Connecting IP Address | |
| Protection Policy Category | |
| Phishing message | |
| Bulk email status | |
| Advanced Spam Filtering | |
| Spam rules | |
| Source header | |
| Unknown fields |
| Bulk Complaint Level | |
| Phishing Confidence Level | |
| Source header | |
| Unknown fields |