Hello Postfix Support,
We would like to configure our Postfix server to meet the following
requirements:
1. Allow incoming emails from all external domains to all internal
users.
2. Restrict outgoing emails for all users so they can only send to a
list of allowed domains.
3. Allow specific privileged users to bypass this restriction and send
emails to any external domain.
Below is our current configuration:
smtpd_recipient_restrictions =
check_recipient_access hash:/etc/postfix/recipient_access
check_sender_access hash:/etc/postfix/check_sender_access
permit_mynetworks
permit_sasl_authenticated
reject_unauth_destination
check_policy_service unix:private/policyd-spf
permit
smtpd_relay_restrictions =
permit_mynetworks
permit_sasl_authenticated
defer_unauth_destination
reject_unauth_destination
However, this configuration is not working as expected, and unprivileged
users are still able to send to unauthorized domains.
Could you please review this and advise on the correct configuration?
Srinivasa Gowd S
IT Manager
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