[Email Security] Upload .EML file (#22329)

* [Email Security] Upload .EML file

* Delete h3 reclassifications

* Apply suggestions from code review

Co-authored-by: marciocloudflare <[email protected]>

---------

Co-authored-by: marciocloudflare <[email protected]>

Author: Maddy-Cloudflare

src/content/docs/cloudflare-one/email-security/email-monitoring/search-email.mdx

@@ -90,6 +90,18 @@ To reclassify a message:
 
 To reclassify messages in bulk, select the messages you want to reclassify > **Action** > **Reclassify**.
 
+### Upload EML files
+
+Email Security classifies certain emails as "Clean". If you disagree with the disposition, you can upload an EML file and reclassify the email.
+
+On the **Investigation** page:
+
+1. Go to the email marked as **Clean**.
+2. Select the three dots > **Reclassify**.
+3. Upload the EML file.
+4. Select a new disposition.
+5. Select **Save**.
+
 Once you have reclassified your messages, you can access those on **Reclassifications**.
 
 To view reclassifications: