sophos: Anti-Spam Protection

Anti-Spam Protection

PureMessage can effectively stop spam during the delivery process, eliminating the productivity loss, liability exposure, and resource drain that accompanies unsolicited email.

Industry-leading anti-spam technology safely removes up to 98% of spam at the gateway, using a balanced combination of the latest, most effective anti-spam technologies. Quarantine digests remove administrative intervention to retrieve valid messages blocked by spam filters, eliminating the business impact of false positives.

• Maximize administrative efficiency
• Increase corporate productivity through efficient email usage
• Improve network resource and bandwidth usage, mail server load and storage demand
• Protect your organization from potential 'hostile environment' lawsuits

• Open proxies and relays
• Dial-up account spamming
• Known spammers
• Current spam campaigns
• Image spam
• HTML obfuscations

Advantages

• Effective spam protection
  

  Safely remove up to 98% of spam from the message stream at the gateway.

• Eliminates the business impact of false positives
  

  Quarantine digests enable end users to retrieve valid messages blocked by spam filters, eliminating the business impact of false positives. The digests provide end users with convenient access to their quarantined messages through their email inbox, without administrative intervention or additional tools.

• Automatic updates
  

  Daily updates automate protection against new spam messages and evolving spam techniques.

• Comprehensive spam detection
  

  "Cocktail" approach combines multiple techniques into a single spam probability, for increased accuracy over easily defeated single technique or layered methodologies.

• Cutting-edge technology
  

  Innovative research from the PureMessage Anti-spam Task Force protects users with with the latest, most effective spam protection techniques, including recent PureMessage innovations: destination URL filtering and adaptive gateway filtering.

• Unmatched spam handling flexibility
  

  Combining tests to determine an overall spam probability affords greater control and flexibility in spam handling and tuning precision. Customizable user preferences and privileges—including user-specific opt-in/out privileges, thresholds, digests and spam handling preferences—deliver unmatched flexibility.

• Proprietary spam detection
  

  Spam identification tests are not publicly available or running on large public email systems. Spammers have no visibility into mail filtering, reducing their ability to innovate against PureMessage detection techniques.

Policy Protection

Confidentiality breaches, legal liability, and damage to reputation cost companies millions of dollars each year. Regulatory compliance is increasingly complex and critical. Organizations must protect themselves by establishing, monitoring, and enforcing appropriate use, receipt, and regulatory compliance policies and procedures, at both the end-user and infrastructure levels.

The flexible Sophos PureMessage policy manager is a set of proactive internal controls for ensuring compliance, enabling organizations to easily define, configure, monitor, and enforce their message handling policies. The powerful RFC 3028-compliant policy framework enables organizations to define, control and enforce their message handling policies. Administrators can configure the framework with ready-to-implement tests, rules, and actions to meet their specific policy needs.

• Ensure compliance with regulatory agencies and commissions
• Protect against liability exposure from inappropriate communications
• Protect against internal security breaches and external attacks

• Confidentiality breaches
• Legal liability
• Lost productivity
• Damage to reputation
• Acceptable use policy risks
• Regulatory compliance risks

Advantages

• Integrated policy management
  

  Multiple, integrated spam, virus, and acceptable use policies provide a single policy management interface for both inbound and outbound messages.

• Sieve-based email policy
  

  Policy management is built on top of a powerful, RFC 3028-compliant Sieve-based policy platform, enabling administrators to define policies of appropriate complexity.

• Policy builder interface
  

  Configuration GUI streamlines definition of organizational message handling policies.

• Ready to implement policies
  

  Includes over 30 pre-bundled tests, actions, and configuration mechanisms for spam, virus, and most common email policies.

• Flexible policy framework
  

  Hierarchical framework configured to include multiple tests and multiple actions enables organizations to easily calibrate enforcement techniques.

• Perimeter protection
  

  Monitors the velocity of gateway connections for anomalous traffic patterns and adjusts automatically based on attack severity.

• Content based routing or archiving
  

  Messages can be automatically analyzed, routed to the appropriate recipients, and archived in compliance with regulatory requirements.