Writing strategies for Email Marketing depends on who you're marketing to. If you are selling to an individual looking for a solution to a problem, you might need to use different words and phrases than mailing to a corporate office. One of the best writing strategies for email marketing is to think like a customer.
If you're writing for a customer, you want to use language that is easy to understand and use. This will increase the chances your customer will open your email. There are no hard and fast rules for writing good copy, but some suggestions will help.