Hi Patrick,

> I have a customer who would like to configure the Postfix server he uses
> such that certain users can only send to local users. I'm wondering if
> there are any built-in facilities for restricting which delivery agents can
> be used by particular users? (Or some other clever way of achieving the
> same end result.) I realize security measures would also need to be taken
> to lock down the machine from which the mail is being sent, but that's not
> my problem ;)

Does "users" for you mean

 a) clients
 b) envelope senders
 c) SASL authenticated users?

-nik

-- 
* mirabilos is handling my post-1990 smartphone *
<mirabilos> Aaah, it vibrates! Wherefore art thou, demonic device??

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