All Question On One Page false false Thank-you emails are always informal. 2 The first line shows what your email is about. 1 Use ‘Dear (+ name)’ if you know the person well. 2 Give examples of things you want to say thank you for. 1 Say ‘Keep in touch’ to mean you want to stay friends. 1 When you make a joke, use the :( emoticon. 2 https://339efcb25eb75e967b0d-ff8eeadd950d51fd1fc939dca75b3973.ssl.cf1.rackcdn.com/assets_default.swf