how to fix address not found gmail usually appears when an email is sent to an invalid, inactive, or incorrectly typed email address. This issue can also occur due to domain problems, server restrictions, or outdated contact details. To fix the “Address Not Found” error in Gmail, start by double-checking the recipient’s email address for spelling mistakes or extra spaces. Make sure the domain name is correct and still active. If you’re replying to an old email, confirm that the recipient’s address hasn’t changed. Clearing cached contacts, updating saved addresses, and verifying Gmail’s sending limits can also help resolve the issue. By following these simple steps, you can quickly fix the Gmail address not found error and ensure your emails are delivered successfully. Website - https://www.emailsupport.us/blog/gmail-address-not-found/