Proxmox Mail Gateway Basic

+ Access to Enterprise Repository
+ Stable software updates
+ Support via customer portal
+ 5 support tickets
+ Response time within one business day

Subscription period is one year from purchase date.
Each Proxmox Mail Gateway needs a subscription.

All details here

You can read about this and other PROXMOX products here

Contents of delivery:
✔ distribution Proxmox Mail Gateway (media or download link from the Internet)
✔ subscription key (in electronic form)
✔ subscription key (on paper form)