Learn how to write a professional job offer letter acceptance mail reply with joining date with an easy format and practical samples. How to Write an Acceptance Letter for a Job Offer?We provide seven job acceptance email templates to help you craft the perfect response, ensuring a formal acceptance of the position. Dear Ms. Doe: I am writing to confirm my acceptance of your employment offer from April 1. Dear Mr. Cristal: I am pleased to accept your offer to join White Investments as a Systems Analyst.