A close look at MessageLabs own data – derived from processing 1.5 billion emails a week – provides a clear picture of how spammers vary their tactics to overwhelm traditional corporate email defenses. See how changes in spam duration, frequency and intensity among others reveal the spammers’ attempts to probe for weaknesses. Understand how “spikes” can overwhelm mail servers and render some defenses useless. By illustrating in detail the spammers’ tactics, this whitepaper will help you better understand the threats to your business, and see how MessageLabs provides a unique solution that avoids the pitfalls of traditional hardware- and software-based defenses.