In this case, probably wait for a few days, as you may not receive an instantaneous reply from the organization post your acceptance mail. Struggling with writing a job offer letter?These three offer letter templates will help you create the perfect job offer email in no time. You can not reject the offer and keep your benefits (might be able to appeal but benefits will be stalled until then). Include a space where the potential employee can sign and date the letter to signify their acceptance. I extend my gratitude to you for offering me the position of {Title} in {Company's name}.