B2B2C

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Filtering accuracy was at the 79 percent level and staff were spending 16 hours per week writing and maintaining rules for SpamAssassin. Messaging filtering servers were at full utilization, prompting constant need for additional servers. | Case Study

City of Richmond

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Email volume was increasing and unwanted email was reaching inboxes. Furthermore, maintaining lists and rules was becoming too time-consuming. | Case Study

Domain Factory

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Spam volumes increased from 60 percent of all messages to more than 95 percent in a short window. Message filtering accuracy had fallen below 80 percent with resource requirements quickly increasing. | Case Study

Media Temple

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A customized deployment of SpamAssassin required frequent manual updates to keep up with spam and an increasing number of man hours were needed to maintain the system. | Case Study

Rackspace

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Requirement for an accurate and scalable messaging abuse solution due to growth of business and rise in spam volumes. | Case Study

Sunflower Broadband

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Messaging anti-abuse system was processing-intensive and difficult to keep running with traffic spikes taxing administrative staff. | Case Study

SureWest

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Growing outbound spam was causing increased resource consumption (CPU, disk and admin) and putting company at risk of blacklisting by other ISPs. | Case Study

Synacor

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Previous open-source implementation wasn't capable of handling the ever-increasing amount of spam, viruses and phishing attacks or Synacor's growing number of end users. | Case Study

Telus

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Anti-abuse system was extremely processing-intensive, leading to unpredictable resource requirements. Suboptimal filtering accuracy was causing an increase in customer care costs. | Case Study

USA.NET

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Requirement for an accurate and scalable messaging abuse solution due to growth of business and rise in spam volumes. | Case Study