Anyone can read it, anywhere along the way. The galaxies of cyberspace are brimming with e-mail horror stories ranging from hurt feelings to job loss to divorce. Today, of all the issues relating to the Internet, none is more hotly contested than privacy. There's a need to strike a balance among the interests of government, law enforcement, businesses, and individuals. That's going to take awhile.
Some employers obtain consent or give advance notice.
Even without consent or notice, employer monitoring is permitted for legitimate business purposes. Not only can employers read your e-mail, but new software allows them to search for offensive words or phrases. Check with your company to see if it's adopted an official e-mail policy. If it has a policy, read it. Let's say David wants to send a message to his friend, Mary.