[RHEL] How to limit/restrict some users to send emails to only "trusted" domais in Postfix mail service (MTA) ?
Issue
The customer needs to limit/restrict some users to send emails to only a few domains in the Postfix mail service (MTA).
Environment
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Red Hat Enterprise Linux 5
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Kernel 2.6.18-164.el5
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postfix-2.3.3-2.1.el5_2
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