14.Yours sincerely, Minerva McGonagall, Deputy Headmistress Questions exploded inside Harry's head like fireworks and he couldn't decide which to ask first.
17.You can use a lot of the same sign-offs you can use in a paper letter, such as: Regards, Best Wishes, Kind Regards, Like with greetings, you wouldn't generally use very formal sign-offs like Yours Sincerely in an email.
18.So make sure you're not one of them, especially if you sign your letters saying: " Sincerely, " or: " Yours sincerely, " which is a very common way to end a general letter or a general business letter.