Resume cover letters should be as brief and concise as possible with about three to four paragraphs and all the information should be contained in one page.

Yes, most of the times, your email becomes the cover letter of your resume when you apply for a job, whereas there are others who add it as an attachment in the resume itself. Taking the time to follow through and write a sweet and short introduction of yourself along with what you hope for in this job in the cover letter will project the idea that

The contents of a resume cover letter should be placed in the body of the email since this makes it easier for the recruiting representative to know whether the resume fits the job profile.