# SpamScanner vs Microsoft Defender for Office 365: privacy compared

| Criterion | SpamScanner | Microsoft Defender for Office 365 |
| --- | --- | --- |
| Grade | B (80/100) | D (50/100) |
| Jurisdiction | Unknown | United States (Five Eyes) |
| Open source | Yes | No |
| No trackers or telemetry | Yes | No |
| No ads or data sales | Yes | Yes |
| Independent audit | No | Partial |
| Transparency report | Not applicable | Yes |
| Tells users about requests | Not applicable | Yes |
| TLS configuration | Not applicable | Yes |
| Security headers | Not applicable | No |
| Modern web standards | Not applicable | Not tested yet |

**SpamScanner.** SpamScanner scores 80 out of 100 (grade B) on the spam and virus filtering criteria. It meets 3 of 4 criteria: open source, no trackers or telemetry and no ads or data sales. It does not meet independent audit.

**Microsoft Defender for Office 365.** Microsoft Defender for Office 365 scores 50 out of 100 (grade D) on the spam and virus filtering criteria. It meets 4 of 8 criteria: no ads or data sales, transparency report, tells users about requests and TLS configuration. It partly meets independent audit. It does not meet open source, no trackers or telemetry and security headers. It is based in the United States: Five Eyes member; subject to the US CLOUD Act. Automated tests: SSL Labs grade A+ and Mozilla HTTP Observatory grade B-.

Source: https://privacyratings.com/compare/spam-filters/spamscanner-vs-microsoft-defender-for-office-365/