Mention following things in your mail: Sample Reply: Thank you so much for offering me the job. Learn how to write a professional job offer acceptance email.Sample Acceptance Letter. The acceptance letter is designed to officially and professionally accept the job offer and also provide an opportunity to. This letter is my formal acceptance of the terms and conditions outlined in the job offer. Terms in an offer letter may make a difference. I am writing to confirm my acceptance of your employment offer on April 20 and to tell you how delighted I am to be joining XYZ Corporation in Chicago. Students will receive an official acceptance letter after they have submitted their application.