Postfix - disable user to send mail?

[erik100]

Hello,

We need to create an e-mail account for one virtual user.
User must be able to receive e-mails from all inside/outside domains, but at the same time user must not be able to send e-mails to outside domains exept to inside domains?

erik100 wrote:

> We need to create an e-mail account for one virtual user.
> User must be able to receive e-mails from all inside/outside domains,
> but at the same time user must not be able to send e-mails to outside
> domains exept to inside domains?

Take a read into this doc:

***
Restricting what users can send mail to off-site destinations
http://www.postfix.org/RESTRICTION_C....html#external
***

Greetings,

--
Camaleón