This plugin checks a message against Sender Policy Framework (SPF) records published by the domain owners in DNS to fight email address forgery and make it easier to identify spams.
| Area | Test name | Description | Default scores |
|---|---|---|---|
| header | SPF_PASS |
SPF: sender matches SPF record | -0.001 |
| header | SPF_NEUTRAL |
SPF: sender does not match SPF record (neutral) | 0 0.652 0 0.779 |
| header | SPF_FAIL |
SPF: sender does not match SPF record (fail) | 0 0.919 0 0.001 |
| header | SPF_SOFTFAIL |
SPF: sender does not match SPF record (softfail) | 0 0.972 0 0.665 |
| header | SPF_HELO_PASS |
SPF: HELO matches SPF record | -0.001 |
| header | SPF_HELO_NEUTRAL |
SPF: HELO does not match SPF record (neutral) | 0 0.001 0 0.112 |
| header | SPF_HELO_FAIL |
SPF: HELO does not match SPF record (fail) | 0 0.001 0 0.001 |
| header | SPF_HELO_SOFTFAIL |
SPF: HELO does not match SPF record (softfail) | 0 0.896 0 0.732 |