Answer: Here are the correct answers
"Do" include a signature.
"Don't" include lots of exclamation marks to get your point across.
"Do" include the thread of previous messages.
"Do" make e-mail messages brief.
"Don't" mark messages as urgent so your e-mails will be read first.
"Do" use a relevant subject line.
"Don't" use all capital letters when the message is urgent.
Explanation: These are all correct on oddessy