RabbitMQ, Cloudflare and Litespeed EXPERT ONLY!!!

This project involves working with RabbitMQ and Cloudflare.
=== Please see attached jpgs ===

DEDICATED PHYSICAL SERVER DETAILS - Nbuntu 20.4
Dual Xeon E5-2670 // 2.60GHz / 3.3GHz Turbo
16 Cores / 32 threads // 96GB DDR3 | 960GB SSD

- RabbitMQ: This includes but is not limited to setting up and configuring RabbitMQ, troubleshooting any arising issues, and optimizing performance.

- Cloudflare: Expertise in DNS management, Security and DDoS protection, and CDN setup is essential.

1. RabbitMQ is installed on the main server.
:: Create connection/login credentials for 3 cPanels for efficient message routing.
:: One site will be doing heavy streaming and messaging.
:: Tell me how to create appropriate configurations for other cPanels.

2. Set server so that ALL EMAILS FROM ALL DOMAINS GO INTO INBOX and not SPAM folder.
:: Fix TWO domains - one magento, one wordpress that are not sending emails

3. Change Server SSH Port number.

4. CLOUDFLARE - Setup appropriate records for 3 domains. see Cloudflare jpgs

5. Please confirm my LiteMage Starter + LSCache is configured properly for 5 domains. If not, please fix the issue.

QUESTION: Don't I need Litespeed for my LiteMage/LSCache license?
:: If yes, install Litespeed BUT LET'S DISCUSS IT FIRST!!!