At the end you should sign off with "sincerely yours" or any other related salutation. If you are applying for a particular job then you need to create letter of intent that contains the following. First of all mention your name, address and contact number.
LOI is a Legally Worthless Document That Means Virtually Nothing _ As a practical matter, in legal terms, the Letter of Intent is a worthless and meaningless document. The LOI is a badly flawed legal document. This is because the document is, as one experienced contract law expert put it, "an agreement to agree which is non_binding and non_enforceable as a contract."