Prerequisites

System Requirements

• Operating system: Ubuntu Server 22.04 (64-bit)
• Root/superuser access to the server.
• A working DNS and Gateway Network Nodes to route mail traffic. If your server is missing the appropriate configuration of MXes and other DNS records, you'll be able to use it in intranet only.
• The system must not run any other mail services or control panel software.
• For better performance, 2Gb RAM or more is required.
• SMTP and IMAP ports open.

Web components of MailSuite Pro (WebMail Pro and Admin Panel) have additional requirements:

• Browser: Mozilla Firefox, Google Chrome, Microsoft Edge, Opera, Safari.