It looks like the recipient isn't a valid email address in your organization's address book. Check the email address spelling for the Recipient: {Recipient}, and run the checks again.
If you entered the intended recipient address, they're not receiving email because they don't exist in your email system. To fix this, you need to add them to Office 365 using the following steps.
- In the Office 365 Admin center, go to the Active users page.
- Choose Add a user.
- Provide the requested information, and a mailbox is created automatically for the new user.
It looks like the recipient ({0}) isn't a valid email address in your Office 365 address book, but it exists in your organization's ...
It looks like the recipient isn't a valid email address in your Office 365 address book, but it exists in your organization's ...
It looks like the recipient isn't a valid email address in your Office 365 address book, but it exists in your organization's ...
It looks like the recipient isn't a valid email address in your organization's address book. Check the email address for ...
It looks like the recipient isn't a valid email address in your organization's address book. Check the email address spelling ...
It looks like the recipient isn't a valid email address in your organization's address book. Please see your admin if you ...
It looks like the sender isn't a valid email address in your organization's address book. Check the email address for the ...
It looks like the sender isn't a valid email address in your organization's address book. Please see your admin if you need ...
It looks like this is a newsletter, but we aren\'t sure if it is safe to unsubscribe from it using the information provided ...