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Firewall – static DHCP assignment (OPNsense)

by Jan Bachelor October 31, 2024
  • On OPNSense, go to Services → ISC DHCPv4 → [LAN] (or whatever the interface is called for your local network).
  • Scroll down and click on the + sign to add a new host.
DHCP section of OPNSense
  • Add the MAC address and IP address for your host, save it and apply the configuration.
OPNSense – Add Static Assignment
Generic VM Installation (Proxmox)
Firewall - Ports to open on your firewall (OPNSense)
Go back to course overview: Install iRedMail Mail Server As Proxmox VM With OPNSense As Firewall

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Course Steps

  1. Starting Point and Considerations
  2. Pointing Your MX Records (DNS)
  3. Generic VM Installation (Proxmox)
  4. Firewall - static DHCP assignment (OPNsense)
  5. Firewall - Ports to open on your firewall (OPNSense)
  6. Fiirewall- Set Up NAT Rules (OPNSense)
  7. Dynamic DNS for our ‘mail’ DNS record (CloudFlare with OPNSense)
  8. Get SSL Certificate on OPNSense for Web Services (CloudFlare)
  9. HAProxy Set Up - SSL termination (OPNSense)
  10. Services To Be Installed On Our Mail Server (OPTIONAL)
  11. iRedMail installation (Debian)
  12. Nginx Configuration (Debian)
  13. Access iRedAdmin
  14. Configure Roundcube
  15. CertBot Certificate Creation
  16. Apply Certificates - Nginx
  17. A Theory Crash Course On Postfix (OPTIONAL)
  18. Securing Your Mail Server (Postfix)
  19. SMTP Relay With Brevo
  20. Testing your outgoing email ranking
  21. Connect Your Device To The Mail Server Via Email Client
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