email not sent and reply message not showing after sumbitting

Hi, I just added the plugin in my website and added my personal email as a recipient on the AI contact form field at the end of it. I tested it and I am not receiving the email and the reply message that I also added on the filed is not displaying after hitting “Submit” and suggestion?
ps: Please help me, I like this plugin and want to use it as much as possible.
Website: https://www.gbwebandgraphicdesign.com/
Many thanks!

https://www.ads-software.com/plugins/responsive-contact-form/