The form is not sending confirmation mails to Gmail,

I made 2 submissions with Gmail users and didn't receive the email confirmation

If the issue continues, our best recommendation to avoid email issues is to use your own SMTP settings for the sender email: https://www.jotform.com/help/244-How-to-Setup-SMTP-for-a-Form

Please observe your email activity from here on. You may also check your email activity to see the status of the email deliveries from your forms by following this guide: https://www.jotform.com/help/293-How-to-View-All-Your-Form-Email-History

Let us know if you have more questions regarding the same