Its important to convey a professional impression when you send email messages. This includes using proper punctuation. With email, theres a temptation to just dash off a message without regard to any of the rules of proper language.
But, remember you may have never met the person youre emailing. In that case, the recipient of your message is forming judgments about you based solely on your email.
Example
You may still be thinking that punctuation doesnt matter that much. How much difference can a few commas and periods make, anyway?
Here is a fun illustration to demonstrate the importance of punctuation. See for yourself just how important those little dots and dashes of punctuation can be!
The following two Dear John letters are exactly the same (word for word). The only difference is how they are punctuated.
Punctuation Makes a Difference
Version One
Dear John:
I want a man who knows what love is all about. You are generous, kind, thoughtful.
People who are not like you admit to being useless and inferior.
You have ruined me for other men. I yearn for you. I have no feelings...