Hi All, One of my user is not able to send mails can receive. All other users can send and receive. See the following errors.
Error when send from outlook: 553 5.7.1 sorry, that domain isn't in my list of allowed rcpthosts (chkuser) Error when send from RoundCube Webmail: SMTP Error: No support for Delivery Status Notification Regards, Vivek Patil system admin