If you are pitching your idea or services to multiple parties, the one thing you do not want to do is send out a general form letter along with a standard brochure or stack of resumes. That sort of 'one size fits all' approach cannot substitute for a real proposal. The goal of a proposal is to persuade the client or boss to endorse your idea and let you do the job. To succeed at convincing them, you need to focus your message to a specific situation, gain their trust and show them that you know what you're talking about and can deliver what they need.
The design of newsletters has become easier than ever before with the help of easy to use newsletter templates, that are available to download on a number of websites. The problem then becomes the content, and how to fit this into the template in the most interesting and eye_catching way. There are a number of different techniques that can help you work out how to get your message across in the most clear and appealing way possible. It may be helpful to work out this content in advance before choosing the template, so that you can adapt it into the design model of your choice.