Office 365 received the message you specified. Unfortunately, the message couldn't be delivered to the recipient because validation of the certificate for your organization's mail server failed.
Please see your admin if you need additional details.
Office 365 received the message you specified. Unfortunately, the message couldn't be delivered because your organization's ...
Office 365 received the message you specified. Unfortunately, the message couldn't be delivered because your organization's ...
Office 365 received the message you specified. Unfortunately, the message couldn't be delivered to the recipient because ...
Office 365 received the message you specified. Unfortunately, the message couldn't be delivered to the recipient because ...
Office 365 received the message you specified. Unfortunately, the message couldn't be delivered to the recipient because ...
Office 365 received the message you specified. Unfortunately, the message wasn't delivered because of a rule set up by your ...
Office 365 received this message but couldn't deliver it to the recipient ({0}). This happened because an email admin for ...
Office 365 received your message, but the message was delayed before it arrived. Please see your admin if you need additional ...
Office 365 received your message, but the message was delayed before it arrived. The details section shows the mail server ...