I want to create a mailserver on CentOS 6.
It should only send emails, not receive.
A user with account 'email@example.com' & 'firstname.lastname@example.org' can use the server.
A user with account 'email@example.com' may not use the server.
A machine with IP 220.127.116.11 can use the server.
All other IP's may not use the server.
Does anyone has a good tutorial for this question?
I hope someone can help me on the way.
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