DSN: failed (Good day)

This is a Delivery Status Notification (DSN). I was unable to deliver your message to marco.huggenber...@gmail.com. I said (end of message) And they gave me the error; 552-5.7.0 This message was blocked because its content presents a potential 552-5.7.0 security issue. Please visit

DSN: failed (GOOD DAY)

This is a Delivery Status Notification (DSN). I was unable to deliver your message to marco.huggenber...@gmail.com. I said (end of message) And they gave me the error; 552-5.7.0 This message was blocked because its content presents a potential 552-5.7.0 security issue. Please visit