Email server name: {0} Technical error message: {1} Fix the problem We recommend that you check the recipient's address to ...


Email server name: {0}
Technical error message: {1}

Fix the problem
We recommend that you check the recipient's address to see if there is a typo.
If that doesn't fix the problem, you'll need to ask the recipient's admin to fix the DNS configuration. The recipient domain must have a valid MX record in order for Office 365 to deliver the message.