Technical Specifications

Supported Platforms

  • RedHat Enterprise Linux 4 and 5 (32 and 64 bit)
  • SuSE Enterprise Linux 9.3 and 10 (32 and 64 bit)
  • Solaris 10 (x86 32 and 64 bit, and SPARC)

Recommended Hardware

  • Dual-processor x86 based machine (32 or 64 bit)
  • At least 2 gigabytes of RAM (preferably 4 gigabytes)
  • 2 or more dedicated 15k RPM SCSI hard drives for mail spool

Performance

  • SMTP reception: 1.5 million messages per hour
  • SMTP delivery: 1.5 million messages per hour
  • Concurrent SMTP sessions: 100,000+

Clustering

  • Single-point cluster management
  • Cluster-wide configuration with automatic failover and information sharing Online queue migration
  • Consolidated logging for real-time enterprise view of entire email infrastructure

Policy Controls

  • Cloudmark Authority (Anti Spam/Anti Virus/Anti Phishing)
  • Authentication standards
  • DomainKeys and DKIM signing and validation
  • Sender ID/SPF support
  • Accreditation/Reputation data (Habeas SenderIndex)
  • Goodmail Token Checker
  • Recipient Validation
  • SMTP AUTH
  • OS Detection
  • Message Fingerprinting
  • URL Lookup
  • RBL's/IP Block lists
  • Inbound/outbound TLS
  • Rate limiting
  • Concurrency control
  • Batch size limits
  • Message and session timeouts
  • Traffic shaping
  • Shaping can be done on a per-domain and per-IP address basis
  • Web-based Command Center provides historical graphs on mail counters, full queue introspection, full management and statistics capabilities on a per virtual interface basis, historical reporting and policy management

Monitoring and Management

  • Full queue management on a per-binding/per-domain basis; suspend, activate and inspect all queues
  • Live time-series analytics allow instant diagnosis of emergent deliverability issues; fully SNMP instrumented

Logging

  • Fully customizable logging allows you to specify exactly what you want logged and in the format of your choosing
  • Support for Postfix, Sendmail, Qmail and Exim formats for backwards compatibility with legacy log parsers

Available SDKs

  • Extend the functionality in C, C++, Perl and Java

Standards Compliance

  • Injection protocols
  • SMTP/ESMTPSMTP/ESMTP
  • ECStream
  • Delivery protocols
  • SMTP (RFC 2821 compliant)
  • SMTP (RFC 821 complaint)
  • LMTP (RFC 2033 compliant)

Supported Web Browsers

Windows

  • FireFox 1.5.x+
  • Internet Explorer 6.x

Linux

  • FireFox 1.5.x+

Mac

  • Safari 2.0+
  • Other
  • Rigorous testing has been performed against all the browsers above. Data indicates that it should work on any modern browser.