When I send any email address like gmail,, then the mail looks send but after sent then reply a mail from Mail Delivery System MAILER-DAEMON@server.princenterprise.com
I'm sorry to have to inform you that your message could not be delivered to one or more recipients. It's attached below.
For further assistance, please send mail to postmaster.
If you do so, please include this problem report. You can delete your own text from the attached returned message.
The mail system
Kindly give me solution please
