Mail Resignation Letter Template is a written notice of intention to leave a job. Taylor discusses 6 key aspects of writing a resignation letter, including when to give notice, what to say, how to format it, and how to deliver it.Use an attractive header with your personal contact info, include the recipient's name, company and address, and include the date. We've put together this resignation email example to help, which shows you the best format for a sample resignation letter. An ideal time to let them know about your resignation is after you give your two weeks' notice and understand the details of the transition process. Use one of our resignation letter templates. The first line of the address section should include your name and phone number. Your resignation letter should also include the date you want to quit. In your resignation letter, it is essential to clearly state the date of your last working day, giving your company ample time to make necessary arrangements.