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Expand Up @@ -25,6 +25,20 @@ The following disposition values follow an order of maliciousness:

<Render file="email-security/dispositions-and-attributes" />

### Header structure

When Email Security adds a disposition header to an email message, that header matches the following format:

```txt
X-CFEmailSecurity-Disposition: [Value]
```

Note that emails with a disposition of `SPAM` will be tagged with `UCE` (unsolicited commercial emails) in their headers:

```txt
X-CFEmailSecurity-Disposition: UCE
```

## Attributes

Traffic that flows through Email Security can also receive one or more Attributes, which indicate that a specific condition has been met.
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