The basic structure of a formal letter: The rules might be arbitrary, but taken together they create a formula that produces clarity. When a letter follows all the rules, the reader doesn’t have to struggle to figure out where a piece of information might be, what action they should take next, or who sent it _ everything can be found in its place. Knowing the rules of letter writing is, in that sense, akin to knowing the rules of page layout or web design _ the format of the document should support and clarify the content.
Signature Examples for Emailed Documents. When you are sending email cover letters, it's important to include contact information so the hiring manager can easily see how to contact you. At the very least, include your name, email address, and phone number. You can also add other, optional information, such as your street address, online portfolio, or social media accounts.