Here's how you begin a job application email: 1. Study the job description. 2.Your email can make or break your job application. Here we explain the process for writing an effective email for a job application. Start with a subject line that indicates the position you are applying for and your name. Write a clear subject line. To help you write the perfect application email to a hiring manager, we've prepared a free email template you can edit according to your needs. In this article, we share the steps for writing an application letter along with a template and an example for you to use when writing your own.