Proxmox Email Server Setup

I need an experienced freelancer to set up an email server on my Proxmox VM. The server should integrate with our local Active Directory and support multiple domains. You can use Cloudflare for exposure.

Key Requirements:
- Configure email server software (Postfix, Exim, or Sendmail)
- Support necessary email protocols (IMAP, POP3, SMTP)
- Ensure compatibility with popular email clients (Outlook, Thunderbird, Webmail)
- Integrate with local Active Directory
- Support multiple domains
- Utilize Cloudflare for exposure

Ideal Skills and Experience:
- Experience with Proxmox and email server configuration
- Knowledge of Active Directory integration
- Familiarity with Cloudflare
- Proficient in email protocols and clients

Please provide your expertise, approach, and any relevant experience in your bids.