You might want to take a look at maildrop. Per user configurable and
has regex rules for delivery.
Jeremy Oddo wrote:
>Does anyone know if there's an easy way to deny SOME users the right to
>e-mail outside our organization? For example, let's say I have three
>users: [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED] I would like
>user1 and user2 to be able to e-mail anyone over the Internet. But I'd
>like to restrict user3 to ONLY be able to e-mail those people in his
>domain, meaning, he can only e-mail user1 and user2.
>How does one go about setting this up?