2009/10/4 Peter Macko <peter_ma...@msn.com>:
> I have found a tutorial to configure postfix for:
>
> Internal emails:
> - Cannot send external emails
> - Can send internal emails
> - Can receive external emails
> - Can receive internal emails
>
> External emails:
> - Can send external emails
> - Can send internal emails
> - Can receive external emails
> - Can receive internal emails
>
> How can I achieve:
> - internal users cannot receive emails from internet?
>

Do not give your mail server a public IP address or publish public DNS
records for your domain.


> Thank you
>
>
> ________________________________
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