Which statement about email subject lines is

false?

"The Subject line provides a brief introduction to the

content of the email."

"Email subjects should be brief but clear and related

to the content of the email."

"Upon reading an email subject line, the recipient

should have a general idea of what the email is

about."

"The email system automatically updates the subject

line, so it's best to not adjust the subject in a series

of replies."