not allowing a local user sending an outgoing email, if he's using a determined address.

From: Rodrigo Gruppelli (no email)
Date: Wed Oct 01 2003 - 11:31:42 EDT


Hi... Sorry for this messy subject, but I couldn't express myself in one line :)))

What I want to do is not allow a local user to send an outgoing email (to the Internet), if he's using a specific domain address.

My domain, let's say, it's myenterprise.com. I want the postfix to deny the relay for the local user, if he sends an email with the prototype , but to allow if he changes that on his damn outlook express, i.e. to

The idea is the discourage my local users to send outgoing emails with the "enterprise's watermark", that is, with .

Is there a way I can that? I found nothing related on the documentation.
The other point is not to deny the relay, if the destination is

Overviewing:

 to -> DENY
 to -> ACCEPT
 to some_other_ -> ACCEPT

Thanks
Rodrigo








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