QuickBooks will validate the email domain format in the email address field when you create an invoice. That said, it isn’t set up to notify when there is a delivery failure (due to a typo, changed address, or otherwise).

You can reach out to your customers (if they provided you other […]

Resolution for 'address error issue: 'How can I get notice or check if an Quickbooks email invoice is rejected for an address error?' available: Yes.

The address error issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the address error issue yourself by looking for a resolution described in the article. If it is a complex address error issue or you are unable to solve the issue, you may contact us by clicking here or by using other address error support options.

For more information about resolving issues related to address error in Quickbooks/QBO or to get support for the issue 'How can I get notice or check if an Quickbooks email invoice is rejected for an address error?', click the link below: