System Requirements

Supported Operating Systems

  • CentOS 7.x
  • CentOS 6.x
  • Cloudlinux 7.x
  • CloudLinux 6.x
  • RedHat Enterprise Linux 7.x
  • RedHat Enterprise Linux 6.x
  • Debian 9.x
  • Debian 8.x
  • Ubuntu 18.x
  • Ubuntu 16.x
  • Ubuntu 14.x

Supported VPS

  • Virtuozzo
  • OpenVZ
  • KVM
  • Xen
  • Vmware
  • HyperV

Supported Plesk Versions

  • Plesk 17.x

Supported Mail Servers

  • Postfix 2.11+

Third Party Software

Spamassassin 3.40+, ClamAV 1.00+ packages from EPEL or Debian/Ubuntu Repositories

Memory Required

Minimum 1.5 GB system memory with at least 600 MB free