# Bulk is marked as spam

Bulk is marked as spam: The differentiation between bulk and spam can sometimes be subjective. The bulk complaint level is based on the number of…

Source: https://maester.dev/docs/tests/ORCA.101

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<div class="test-byline"><div class="test-byline-avatars"><a class="test-byline-avatar test-byline-avatar--author" href="/contributors/soulemike" title="Michael Soule · Original author"><img src="https://github.com/soulemike.png" alt="Michael Soule" width="28" height="28" loading="lazy" decoding="async" /></a></div><div class="test-byline-meta"><span class="test-byline-text">Contributed by <a href="/contributors/soulemike">Michael Soule</a></span><a class="test-byline-link" href="/contributors">All contributors →</a></div></div>

<p class="test-part">Part of <a href="/docs/tests/orca">ORCA</a> · Defender · Anti-spam · <a href="/docs/tests">All checks</a></p>

```powershell title="Run this check"
Invoke-Maester -TestId ORCA.101
```

## Overview

The differentiation between bulk and spam can sometimes be subjective. The bulk complaint level is based on the number of complaints from the sender. Marking bulk as spam can decrease the amount of perceived spam received. This setting is only available in PowerShell.

#### Remediation action

Set the anti-spam policy to mark bulk mail as spam.

#### Related Links

* [Recommended settings for EOP and Microsoft Defender for Office 365 security](https://aka.ms/orca-atpp-docs-6)
* [Set-HostedContentFilterPolicy](https://aka.ms/orca-antispam-docs-9)

## Details

<details>
<summary>Every attribute of this check</summary>

| Field | Value |
| --- | --- |
| Test ID | ORCA.101 |
| Severity | Low |
| Suite | ORCA |
| Product | Defender |
| Related products | Exchange Online |
| Feature | Anti-spam |
| Area | Email and collaboration protection |
| Resource type | Policy |
| User impact | Low |
| Implementation cost | Low |
| MITRE ATT&CK | None |
| Supports controls | nist-800-53-r5:SI-8 |
| PowerShell test | [Test-ORCA101](https://github.com/maester365/maester/blob/main/tests/orca/Test.ORCA.101.ps1) |
| Services | ExchangeOnline |

</details>

## Source

- Test: [`tests/orca/Test.ORCA.101.ps1`](https://github.com/maester365/maester/blob/main/tests/orca/Test.ORCA.101.ps1)
- Documentation: [`tests/orca/Test.ORCA.101.md`](https://github.com/maester365/maester/blob/main/tests/orca/Test.ORCA.101.md)