We've rounded up 4 unique methods for writing proposal submission emails. Plus, we've got email samples for each method.A business proposal email is a persuasive sales document sent to clients to gain business. Learning how to write an effective business proposal is essential. We've collected the top 10 proposal email templates you need to know. Learn how to craft an effective business proposal email with our comprehensive guide. In this blog, you will find best practices for crafting effective proposals for email submission, along with 4 methods and 5 Samples. We'll show you an example of a followup email to send a client after sending a proposal so you actually get a response! Use our business proposal email template to win clients faster than you can imagine. This is the easiest way you can write a business proposal email.