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)