Aysha Keopanya - 21st Century Leteracy
Don't write in all capitals it is considered rude and known as online screaming.
Using proper grammar, spelling, and punctuation will give you a professional look.
Don't attach unnecessary files most people will not appreciate unnecessary links.
Include an appropriate greeting such as Dear or Hello.
Include a subject to let others expect what they are about to open.
Write in a positive or nice tone.
Use your manners others may like your behavior.