Technical Specs

PowerMTA™ v4.5

Supported Platforms:

  • Microsoft Windows (2008/2012 or any other server class Windows OS; 32-bit and 64-bit)
  • RedHat Fedora Core 1 or later (32-bit)
  • RedHat Enterprise 4.4 or later (64-bit)
  • Other RPM and Debian based distributions supported

Supported Interfaces and Submission/Delivery:

  • SMTP (extended)
  • API: C, C++, Perl, Java, .NET
  • Local “pipe” delivery
  • Pickup directory
  • File delivery

Delivery Accounting File:

  • CSV format
  • 7 types of records
  • Custom rotation schemes
  • Command line delivery/bounce reporting tool

Authentication Specs:

  • Multiple DKIM Signing
  • DomainKeys Signing
  • Sender ID/SPF Support
  • DMARC Support
  • Encryption


  • Web-based status
  • XML over HTTP
  • Command-line query tool
  • File export (text, XML, DOM-style)
  • Source IP Based Monitoring

PowerMTA™ Management Console v1.5

Recommended Hardware Specs:

  • CPU – Minimum dual core CPU required, quad/dual quad core or more recommended
  • RAM – Minimum 4GB RAM dedicated to the main process required (64-bit OS), 16GB or more recommended

Disk Sub-System:

  • 100MB/s read/write HDD, 200MB/s read/write or faster recommended
  • 200GB HDD space required, 300GB or more recommended


Try PowerMTA™ for FREE today!

Free Trial