System Requirements
Supported Operating Systems
- AlmaLinux 9.x
- AlmaLinux 8.x
- CentOS 7.x
- CloudLinux 8.x
- CloudLinux 7.x
- Debian 12.x
- Debian 11.x
- Debian 10.x
- RedHat Enterprise Linux 9.x
- RedHat Enterprise Linux 8.x
- RedHat Enterprise Linux 7.x
- Rocky Linux 8.x
- Ubuntu 24.04
- Ubuntu 22.04
- Ubuntu 20.04
Supported VPS
- Virtuozzo
- OpenVZ
- KVM
- Xen
- Vmware
- HyperV
Supported Plesk Versions
Plesk Obsidian 18.x, Plesk Onyx 17.8.11
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)