Cheyenne Is Starting a New Administrative Position and Knows That

Cheyenne is starting a new administrative position and knows that she'll be writing a lot of e-mail messages. What is the best advice you can give her?

A) Send only content you would want published.
B) Because e-mail is informal, you don't have to write messages using complete sentences.
C) Use "Reply All" every time you respond to an e-mail message to ensure that everyone sees your reply.
D) Once an e-mail message is deleted, it's gone forever.