The motive behind writing a good will letter is to show genuine feeling or kindness. While writing a letter of good will one aims to show gratitude, appreciation, recognition, condolence or an approval, you should remain sincere and your letter should express these feelings. Letter of good will should be well crafted; a rough outline or selection of appropriate vocabulary can help out in this context. A well crafted letter will help you convey your feelings in best way.
Your letter should be focused on what the subject is, and you should keep the recipient in view while writing a good will letter not yourself or anyone else. Basically the subject of the letter should be clear and that it is to spread good will and it should not be promotion of any hidden agenda. The letter should be concise and to the point but elaborative. You should explain the motive of writing this letter and convey what you want by sending this letter. It should be based on facts and having a friendly and sympathetic tone.
The letter of good should address the person directly, should be well drafted and the good will should not only be about specific things, avoid stepping into vague details that does not belong to the subject of the letter. For writing a good letter of good will and express you and your feelings, you have to be creative, and should avoid artificial words or phrases. It is recommended to be true in your expression and avoid made up canned attitude or expressions. Good will letter have a surprise so it is good to justify the purpose of the letter, mostly such letter become an astonishing news and work like a great appreciation and a good way to build up relationship and terms effectively. You can get help from the sample of the letter attached with this template good will.