ATTENTION: All server and hosting owners.
It has come to our attention that some email users are facing bounce back emails due to poor MTA IP reputation.
This happens because particular hosting IPs are being blacklisted by anti-spam organization due to the fact that a number of users' mailboxes were compromised.
The root causes of such compromises are weak password being used as well as loopholes and vulnerabilities within their hosting space and user's local computers .
For further advice, users can refer to our KB articles:
a) Using Strong/Complicated password for mailbox.
b) Compromise mailbox and what we should do ?
We recommend user to contact our support team for further assistance.
Our support team will advise and assist you.
Thank you and have a nice day!