restricted sender untuk virtual email alias

Muhammad Reza <[email protected]>
Newsgroups gmane.mail.postfix.user.indonesian
Message-ID <[email protected]> 
Dear all Postmaster

Bisakah postfix di konfigure supaya hanya email account (local) tertentu 
yang hanya bisa kirim ke virtual email alias tertentu
contohnya:
.:Postbie:. create virtual email alias (untuk mailing list) ex:
cat /etc/postfix/virtual
milis-9IKiO1iGCm/[email protected]  [email protected] [email protected] 
user3-3nIZrVSwZJRWVPTZF4YnfwC/[email protected]

dan hanya user1-3nIZrVSwZJRWVPTZF4YnfwC/[email protected], [email protected] dan 
user3-3nIZrVSwZJRWVPTZF4YnfwC/[email protected] yang bisa posting ke [email protected].
apakah harus dengan mail man ?

regards
.:Postbie:.
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