How to write a resignation letter that's effective immediately? In this article, we explain what a resignation letter is, why they're important, provide steps for writing it, and give you a template and examples.Here is our sample email to resign with immediate effect. Dear (Name), I am resigning from my role as (job) with immediate effect. Learn how to write an immediate resignation letter with our comprehensive guide, including tips, examples, and a customizable template. I am writing to inform you that I will be resigning from my position as (Title) at (Company Name). When resigning without notice, your letter should state clearly that the resignation will be effective immediately. Hi,. Please be advised that I am resigning my position with immediate effect. Regards,. You'll receive the letter within. 90 days following your resignation.