Mail rejected by destination domain

Mail rejected by destination domain

Hi,

Would like to ask for the support on the error 5.4.1 Mail rejected by destination domain

our mail  was being blocked or filtered.

Please checked it our mail  was being blocked or filtered.

If it is being block kindly unblock us or removed from the block lists.

Is it safe to post info here, like email it will be visible to all?

Attached is the sample error,


Kind Regards,
Jessie B