You should always assume that mail on the Internet is not secure. Never send anything that you would not want to become public knowledge, as e-mail can easily be forwarded to other people. Do not waste your colleagues' time by copying them on notes that don't affect them. Respect the copyright on material that you reproduce. Cite all references, quotes and sources used.
Plagiarism applies to e-mail messages just as other documents.
Do not make changes to someone else s message and pass it on without making it clear where you have made the changes. Such an action may constitute misrepresentation. Take time to consider your messages before sending them. Do not reply immediately even if you have been provoked, because a message cannot easily be recalled. Using E-mail Do not assume the validity of a message.