When you know the recipient’s name, sign it “Sincerely yours” or just “Sincerely”, or in the US “Yours truly” is acceptable. Don’t try anything more cutesy or friendly unless a) you know the recipient quite well and are certain you can be informal without seeming disrespectful, or b) you have a “trademark” letter ending that’s part of your public persona (and the talent and popularity to pull it off). Signature and printed name: Signing your name is a minimal assurance that you stand behind what was written.
Even though you are using a personal account, choose an email address that looks professional. Your best bet is some variation on first initial, last name (e.g., [email protected].com) or first name, last name [email protected].com). Here's how to set up an email account just for your job search. Tips for Writing a Compelling Cover Letter. Get information on how to write a cover letter, including what to include in your cover letter, cover letter format, targeted cover letters, and cover letter samples and examples.