Hi Rufiya,

Welcome to Community!  Email forwarding in QuickBooks Self-Employed is a great way to save valuable time and keep ahead of your work.  I'll be happy to provide more information so you can get back to business!

Based on the information you've provided, I suggest following this guide to ensure your email address is set up.  Please note that you can run into issues if you have special characters in your email address.

Should you continue to experience the same behavior, it's best to reach out to QuickBooks Self-Employed customer care team for additional assistance.  They'll have the ability to have a look further into this from their end so you can get back to what you love!

Please feel free to reach back out with other questions.  We'd be glad to assist!