[Email Security] Add missing step (#22597)

* [Email Security] Add missing step

* Adding headings

* Add H2 google integration

Author: Maddy-Cloudflare

src/content/docs/cloudflare-one/email-security/setup/post-delivery-deployment/api/office365-api.mdx

@@ -11,12 +11,11 @@ This guide will instruct you through setting up Microsoft Office 365 with Email
 
 ## Prerequisites
 
-* A [Cloudflare account](https://dash.cloudflare.com/sign-up).
-* A domain to protect.
+To use Email Security, you will need to have:
 
-## Enable Email Security via the dashboard
+<Render file="email-security/onboarding-prerequisites" />
 
-To enable Email Security:
+## Enable Email Security via the dashboard
 
 1. Log in to [Zero Trust](https://one.dash.cloudflare.com/).
 2. Select **Email Security**.
@@ -30,7 +29,6 @@ To enable Email Security:
    - Select **Connect a domain**.
    - Choose **MS Graph API**. Refer to [Connect your domains](/cloudflare-one/email-security/setup/post-delivery-deployment/api/office365-api/#connect-your-domains) to connect your domain(s).
 
-
 ### Enable Microsoft integration
 
 To enable Microsoft integration:

src/content/docs/cloudflare-one/email-security/setup/post-delivery-deployment/bcc-journaling/bcc-setup/gmail-bcc-setup/enable-gmail-integration.mdx

@@ -5,7 +5,15 @@ sidebar:
   order: 2
 ---
 
-To enable Gmail BCC integration:
+import { Render } from "~/components"
+
+## Prerequisites
+
+To use Email Security, you will need to have:
+
+<Render file="email-security/onboarding-prerequisites" />
+
+## Enable Gmail BCC integration:
 
 1. Log in to [Zero Trust](https://one.dash.cloudflare.com/).
 2. Select **Email Security**.
@@ -22,7 +30,6 @@ To enable Gmail BCC integration:
     - Refer to [Connect your domains](/cloudflare-one/email-security/setup/post-delivery-deployment/bcc-journaling/bcc-setup/gmail-bcc-setup/connect-domains/) to connect your domain(s).
 
 
-
 ### 1. Create a Service Account in your GCP Project
 
 1. Once you have named your integration, select **Next**.

src/content/docs/cloudflare-one/email-security/setup/post-delivery-deployment/bcc-journaling/journaling-setup/manual-add.mdx

@@ -4,9 +4,15 @@ sidebar:
   order: 3
 ---
 
-import { GlossaryTooltip } from "~/components"
+import { GlossaryTooltip, Render } from "~/components"
 
-To manually add domains:
+## Prerequisites
+
+To use Email Security, you will need to have:
+
+<Render file="email-security/onboarding-prerequisites" />
+
+## Manually add domains
 
 1. Log in to [Zero Trust](https://one.dash.cloudflare.com/).
 2. Select **Zero Trust**.

src/content/docs/cloudflare-one/email-security/setup/pre-delivery-deployment/mx-inline-deployment-setup.mdx

@@ -5,7 +5,15 @@ sidebar:
   order: 3
 ---
 
-To set up MX/Inline:
+import { Render } from "~/components"
+
+## Prerequisites
+
+To use Email Security, you will need to have:
+
+<Render file="email-security/onboarding-prerequisites" />
+
+## Initiate MX/Inline configuration
 
 1. Log in to [Zero Trust](https://one.dash.cloudflare.com/).
 2. Select **Email Security**.
@@ -45,8 +53,8 @@ If you have verified zones on Cloudflare, continue with the following steps:
 
 If you do not have domains with Cloudflare, the dashboard will display two options:
 
-- Add a domain to Cloudflare.
-- Enter domain manually.
+- [Add a domain to Cloudflare](/cloudflare-one/email-security/setup/pre-delivery-deployment/mx-inline-deployment-setup/#add-a-domain-to-cloudflare).
+- [Enter domain manually](/cloudflare-one/email-security/setup/pre-delivery-deployment/mx-inline-deployment-setup/#enter-domain-manually).
 
 ### Add a domain to Cloudflare
 
@@ -61,4 +69,4 @@ Then, follow the steps to [Set up MX/Inline](/cloudflare-one/email-security/setu
 3. **Verify your domains**: It may take up to 24 hours for your domains to be verified. Select **Done**.
 4. Once your domains have been verified, the dashboard will display a message like this: **You have verified domains ready to connect to Email Security**. This means that you can now set up Email Security via MX/Inline. 
 5. Select **Set up**, then select **MX/Inline**.
-6. Follow the steps to [Set up MX/Inline](/cloudflare-one/email-security/setup/pre-delivery-deployment/mx-inline-deployment-setup/).
+6. Follow the steps to [Initiate MX/Inline configuration](/cloudflare-one/email-security/setup/pre-delivery-deployment/mx-inline-deployment-setup/#initiate-mxinline-configuration).

src/content/partials/cloudflare-one/email-security/onboarding-prerequisites.mdx

@@ -0,0 +1,8 @@
+---
+{}
+
+---
+
+- A [Cloudflare account](https://dash.cloudflare.com/sign-up)
+- A [Zero Trust organization](/cloudflare-one/setup/#create-a-zero-trust-organization)
+- A domain to protect