Suped grades your domain's email authentication on a 100-point scale, broken into three equal categories. You can check your score with the domain health checker.
DMARC score (0-33 points)
| Criteria | Points |
|---|
Suped is listed as a report recipient (rua) | 8.33 |
Policy is quarantine or reject (not none) | 8.33 |
Subdomain policy (sp) is not none | 16.67 |
SPF score (0-33 points)
| Criteria | Points |
|---|
| SPF record is under 450 bytes | 16.67 |
| 10 or fewer DNS lookups | 16.67 |
DKIM score (0-33 points)
The DKIM score is averaged across all DKIM selectors found. Per selector:
| Criteria | Points |
|---|
| RSA key algorithm | 8.33 |
| SHA-256 hash algorithm | 8.33 |
Not in testing mode (no t=y flag) | 8.33 |
| Key length of 2048 bits or more | 8.33 |
Grade thresholds
| Score | Grade |
|---|
| 90-100 | A (Excellent) |
| 80-89 | B (Good) |
| 70-79 | C (Fair) |
| 0-69 | D (Poor) |
