MX Logic blocking my mails with “554 Denied CS [*.mxlogic.net]“?

Your mails are blocked with the error message “554 Denied [CS] [*.mxlogic.net] (Mode: normal) (in reply to end of DATA command)”

What does it mean?

The mail was rejected by Mxlogic / Mcafee because of the content of the message.

Try using different message