Answer:
When sending an email, Ellis restates the subject in the body of the message.
Step-by-step explanation:
Email has some standard guidelines for preparing the email.
It includes that the subject shall also be defined again in the descriptive area, where entire content of email is discussed.
There must be a descriptive line showing the purpose of email.
There shall be supportive subject for the description of email.
If the email has some quantitative data then it shall be summarized using graphs, pictures etc:
In a single email, least topics shall be discussed as that will not confuse the reader, and will be logical, towards the response for such email.