Topic: Block some users to send mails to internet users
We have 10 users in my domain. I want 2 users out of 10 users not to send mails to other domain other than local domain.
I have domain as pipalresearch.com. Assume that mail id email@example.com & firstname.lastname@example.org should be able to send mail to domain pipalresearch.com but should not be able to send mails to any other domain such as yahoo.co.in, yahoo.com, gmail.com.
How can I do this and resolve this....?
Thanks in advance
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