How To Write A Regret Letter To A Job Applicant . Sign your name at the end of the email to conclude your message. Most rejection letters are sent as emails. 39 Job Rejection Letter Templates & Samples ᐅ TemplateLab from templatelab.com Learn how to write a letter of regret to applicant for a job after his interview.© lettersformats.comdisclaimer: Applicant, we interviewed a number of candidates for the marketing coordinator position, and we have decided to offer another applicant the position. Be respectful of their time and share the news early on in the letter.