The recipient ({0}) can't receive mail from ({1}) because the domain ({2}) isn't set up correctly. The domain ({2}) is missing a certain record, which is causing some messages to be rejected.
The query returns too many records for the Threat Explorer. Add filter conditions or select a smaller time range and try ...
The Read, Write or Script source access permission of virtual directory '{0}' on server '{1}' is enabled. These settings ...
The receive connector '{0}' has been enabled to allow open relay to anonymous users. If enabled, and the server is Internet-facing, ...
The receiving email server refused to accept the message. Validation failed when the server tried to validate that the sending ...
The recipient ({0}) can't receive mail from ({1}) because the domain ({2}) isn't set up correctly. The domain ({2}) is missing ...
The recipient ({0}) isn't a valid email address in your Office 365 address book, but it exists in your organization's on-premises ...
The recipient ({Recipient}) can't receive mail from ({Sender}) because the domain ({Domain}) isn't set up correctly. The ...
The recipient ({Recipient}) can't receive mail from ({Sender}) because the SPF record for domain ({Domain}) isn't set up ...
The recipient didn't get the message because it was forwarded to another address. Messages sent to the recipient ({0}) are ...