Chapter 14. Message Hygiene

To Edge or not to Edge, that’s the question

Edge servers

Exchange anti-spam agents

Choosing an antivirus product

Client defense

Cleansed email, but compliant?

MESSAGE hygiene refers to the process by which a stream of messages is cleansed by removing spam, viruses, and other suspicious content. Email-borne viruses took over from viruses transmitted through floppy disks to become the first real threat to companies that deployed Microsoft Exchange. These organizations experienced the effect of rapid infection in incidents such as the famous Melissa (1999) and I Love You (2000) viruses. The growing number of email viruses (and a certain amount of hype in the popular press) accelerated the development of antivirus products. These ...

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