PDF spam is an increasing problem and now accounts for around 20% of spam This MessageLabs Whitepaper explains what PDF spam is and how spammers are trying to stay a step ahead of techniques designed to tackle it. The whitepaper also explains how MessageLabs spam filtering protects customers against PDF spam and other emerging spam threats.
The information and analysis presented here is based on MessageLab's hands-on experience of providing messaging and web security management services for over 17,000 clients worldwide, scanning 1.7 billion emails on their behalf every week.
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