System Requirements
Supported Operating Systems
- AlmaLinux 10
- AlmaLinux 9
- AlmaLinux 8
- CloudLinux 9
- CloudLinux 8
- Debian 13
- Debian 12
- Debian 11
- RedHat Enterprise Linux 9
- RedHat Enterprise Linux 8
- Rocky Linux 8
- Ubuntu 26
- Ubuntu 24
- Ubuntu 22
Supported VPS
- Virtuozzo
- OpenVZ
- KVM
- Xen
- Vmware
- HyperV
Supported Plesk Versions
Plesk Obsidian 18.0.62+
Supported Mail Servers
Postfix 3.0+
Supported IMAP Servers
Dovecot
Third Party Software
Amavis, SpamAssassin, and ClamAV packages from EPEL or Debian/Ubuntu Repositories
Memory Required
Minimum 3 GB system memory with at least 1 GB free if installing ClamAV (optional)