Do you need to email your resume and cover letter? That's often the case with smaller employers. If you've asked someone to give you a reference, they may want a copy of your resume to review prior to writing a recommendation. Send a test message, and email your resume and cover letter to yourself before you send it to the employer. That way, you'll know your documents are attached correctly.
Cover Letter Writing Guide: What to Include in Your Cover Letter
Email Etiquette when sending a cover letter and resume - Applied Communications in English
It's a good idea to customize your cover letter for each job you're applying for. The cover letter is another way of introducing yourself to a potential employer. What it says about you can be the difference between getting in the door and missing your chance. Busy people don't want to read long letters from people they don't know. The cover letter should be no more than one page long, written in standard business letter format.
Cover letter etiquette: What should your cover letter say?
Your cover letter is often the first thing employers see when reviewing your job application. To get an employer's attention and convince them to consider seriously consider you for an interview, a cover letter needs to include several key elements within a clear format. Because hiring managers review dozens of job applications every day, they look for specific content in cover letters that tell them the most about the candidate and meet their professional expectations.
When applying for an internship, employers might request a cover letter along with your resume, references and other required documents. A cover letter is one of the best ways to convey why you are the best candidate for the internship. Thereby allowing you to expand on and showcase key skills and experiences.