Wietse:
> Postfix relay permission is decided before (recipient) address
> rewriting.
>
> For example, we don't want "relay access denied" when a virtual
> alias changes an address in a local domain into a remote address.
Yves Kreis:
> My rewriting idea works for my purpose. I am just trying to
> investigate the risk...
Let's apply some simple logic here.
1) Postfix relay permission is decided before (recipient) address
rewriting.
2) Therefore, (recipient) address rewriting has no effect on Postfix
relay permission.
In addition, Postfix does not use sender addresses for relay
permission decisions. Changing that would be a bad idea.
Wietse
