First paragraph should grab the reader's attention. Include job title, organization, location, date, and a description of the skills you gained from each of your experiences in reverse chronological order.A cover letter is a one-page story, directed to a particular position or employer. Focus on starting with a compelling hook and captivating content. In the email body, introduce yourself briefly, mention the position you're applying for, and express your interest in the role. Choose a few phrases in the opening paragraph that let your reader know what to expect in the body of the letter. It doesn't matter what time you send your resume because you are sending it to a work email. And the hiring manager only checks it during business hours. A cover letter usually is three paragraphs long and outlines why you are applying for a specific position, a brief overview of your professional background. The purpose of a cover letter is to introduce you and briefly summarize your professional background.