Master Server Capability Matrix
Child servers inherit Master capabilities
| Basic | SMB | XD | Pro | Hosting | Enterprise | Ultimate | |
| Max Domains, Networks, Objects Managed policy handlers |
4 | 10 | 25 | 50 | 100-250 | 300-500 | ∞ |
| Max Child Servers Additional cluster members |
0 | 1 | 2 | 3 | 10 | 20 | ∞ |
| Max Administrators Admins, reviewers, managers |
1 | 2 | 3 | 5 | 10 | 20 | ∞ |
| Max Email Number of email messages |
∞ | ∞ | ∞ | ∞ | ∞ | ∞ | ∞ |
| Integrated Help | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Portal Supported | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Disaster Recovery | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Automatic Updates | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Custom Spam Rules | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Child Supported | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
| Backup to S3 Cloud | ✓ | ✓ | ✓ | ✓ | |||
| Email Archiving | ✓ | ✓ | ✓ | ✓ | |||
| Resource Monitor | ✓ | ✓ | ✓ | ✓ |