Only allow certain users to send mail to a particular mail id - POSTFIX
Dear Techies,
I have a postfix server with around 100 users which is running on CentOS. It is configured with virtual domains. I have created a group mail called "users@our-domain.com" and populate the /etc/postfix/virtual file with all the user names. This will result in sending a mail to "users@our-domain.com" will deliver mail to all the users mentioned in this virtual file (like aliases file)
Now my problem is i need to allow only 5 users to send mail to this "users@our-domain.com". If any other user tried, it should not allow to do so.
Kindly advice me for this problem.
Thanks in advance...
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