DKIMValidation |
| Member name | Value | Description |
|---|---|---|
| First | 0 | Validates first DKIM-Signature header found (default). |
| Specific | 1 | Validates specific DKIM-Signature header found. |
| AtLeastOne | 2 | Validates DKIM-Signature headers until it finds valid one. |
| All | 3 | Validates all DKIM-Signature headers. |