System Requirements

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Before beginning the installation of MailStore Service Provider Edition it needs to be ensured that all system requirements are met.

Hardware

Single Server Mode or Individual Instance Hosts

The table below shows the recommended hardware configuration for a single server mode setup or an individual Instance Host in a multi-server mode setup with a maximum of 1000 users in total. Reduce the number of CPU cores and amount of main memory for smaller installations.

Important: Please also carefully read the Performance and Scalability Guidelines to understand the impact of network, storage and other hardware components as well as configuration options and usage scenarios on overall performance.

Processor Intel Xeon Quad Core or compatible CPU @ 2.4GHz
Main Memory 1024 MB + INSTANCES × 256 MB + USERS × 5 MB + 10%
(e.g. 1024 MB + 20 × 256 MB + 1000 × 5 MB + 10% = 12258 MB)
Hard Disk 150 MB disk space required for installation. A minimum of two separate disks is recommended:
Disk 1) Operating system, program files and temporary files.
Disk 2) Dedicated disk for archive data
Storage Configuration Hardware RAID 10 (SAS/10.000 RPM or faster)

Management Server

This information only applies to an individual Management Server in a multi-server setup.

Processor Any x64 compatible CPU
Main Memory 1 GB
Hard Disk 150 MB available disk space

Client Access Server

This information only applies to an individual Client Access Server in a multi-server setup.

Processor Any x64 compatible CPU
Main Memory 1 GB
Hard Disk 150 MB available disk space

Software Requirements

  • Following operating systems are supported
    • Windows Server 2008 R2 Standard, Enterprise or Datacenter (Server Core Installation)
    • Windows Server 2008 R2 Standard, Enterprise or Datacenter (Server with a GUI)
    • Windows Server 2012 Standard or Datacenter (Server Core Installation)
    • Windows Server 2012 Standard or Datacenter (Server with a GUI)
    • Windows Server 2012 R2 Standard or Datacenter (Server Core Installation)
    • Windows Server 2012 R2 Standard or Datacenter (Server with a GUI)
  • Following web browsers are supported by the Management Console:
    • Internet Explorer 10 or higher
    • Google Chome 18 or higher
    • Mozilla Firefox 18 or higher
    • Apple Safari 6 or higher
  • .NET Framework 3.5 SP1
    The appropriate Windows Server feature will be enabled automatically by the MailStore Service Provider Edition installer. In environments with centrally managed Windows updates the automatic installation may not succeed. In such cases the installation of the .NET Framework 3.5 SP1 feature must be done manually before executing the MailStore Service Provider Edition setup file.
  • Microsoft Office 2010 Filter Packs (optional)
    For indexing email attachments other than TXT, PDF and HTML files, additional libraries are required. For Microsoft Office documents (legacy and recent formats) or documents in Open Document Format ((OpenOffice/LibreOffice) the Office 2010 Filter Packs have to be installed manually on each server hosting an Instance Host. Please refer to Search Index for further details about attachment indexing.
  • It is not recommended to install MailStore Service Provider Edition on servers that already provide other network services. Especially with email or web servers TCP port conflicts are likely to occur. Specifically, Microsoft's Internet Information Server (IIS) MUST NOT be installed on any server that hosts the Client Access Server role.

Network Requirements

  • Verify that the DNS name of the MailStore Service Provider Edition servers match their actual computer name and that all servers have a proper forward and reverse DNS resolution configured.
  • Do not intercept connections from or to MailStore Service Provider Edition servers with web or email proxies. Read Notes on Antivirus Software in the MailStore Server help for further details.
  • For communication between MailStore Service Provider Edition services, access to the MailStore Management Console and end user access to instances, the following TCP ports are opened by the MailStore Service Provider Edition services and must therefore not be used by any other service.
Port Role Description
143 Client Access Server The standard IMAP port is used to provide read-only access to archived emails via IMAP protocol. The IMAP server on this port supports unencrypted as well as TLS secured connections (recommended) that have been initiated by the email client via STARTTLS command.
443 Client Access Server The standard HTTTPS port is used to provide SSL encrypted access to MailStore Instances via MailStore Client, MailStore Outlook Add-in, MailStore Web Access and MailStore Mobile Web Access.
993 Client Access Server The standard IMAPS port is used to provide read-only access to archived emails via IMAP protocol. The IMAP server on this port support SSL/TLS encrypted connections only.
8470 Management Server This port is used to provide administrators access to the Management Console via web browser. The HTTP server on this port support SSL/TLS encrypted connections only, also known as HTTPS.
8471 Management Server Instance Hosts and Client Access Servers connect to the Management Server through this port.
8472 Instance Host Client Access Servers and the Management Server connect to the Instance Hosts through this port.
8473 Client Access Server Management Server connects to Client Access Servers through this port.

What to do next

After ensuring that the environment fulfils the system requirements, proceed with Installing MailStore Service Provider Edition.