Do you know what netiquette means? To be honest, before reading this article I had no idea.
Basically, it is short for internet etiquette. It is a set of social conventions and rules you should follow while using the Internet. For example, you should do the research before you start writing emails about your problems. You should try to find out what’s happened on your own. If you are really stuck, of course, you should ask for help, but be brief, stay on the topic, be clear and use appropriate language. Common rules for email are avoiding flamewars and spam.
I’m quite sure you all know that, but revision is always good practice.