Issue 1 of Email for a reason
You have come to the realization that writing email is a skill you can improve, and you have just taken the first step towards it.
Everything we will be looking at, revolves around one basic principle:
Make it easy for the recipient to understand and act on your emails.
Exercise: Look through your inbox and find an email which was easy to understand, and then one you can barely figure the meaning of. Think about: what makes them good and bad email respectively?