Resignation acceptance letter template. Re: Resignation Acceptance.Learn how to write a professional resignation letter with our step-by-step guide, easy to use templates and helpful tips. This letter accepts an employee's resignation, noting their last day will be after serving out their required notice period according to their contract. Resignation Acceptance Email templates: Discover how to write an effective resignation acceptance letter. Re: Resignation Acceptance. Resignation letters ensure that you can't go back to the company and try to sue for unemployment. If you're quitting, that's not a big deal. My resignation is effective immediately.