> You're supposed to use sender-dependent AUTHENTICATION in combination > with sender-dependent RELAYHOST. Otherwise, it makes no sense.
I was trying to describe a situation in which a site might have to deal with two separate relay hosts . . . where the choice of relay is dependent on the destination address (not the sender address) . . . and where both of these relay hosts are configured with sender-dependent authentication schemes, and both relay hosts are prepared to accept mail from the same set of senders . . . but the username / password databases on the two separate relay hosts are different . . . and it doesn't appear that Postfix can handle this right now, because it doesn't seem to have any way of choosing a username / password to send to the relay host based *both* on the identity of the sender *and* the identity of the relay host *together*. I've managed to clean up my own setup (thanks for your earlier help in this regard), so this is no longer an immediate need of mine, but I could imagine some other people might run into this kind of issue, so it seemed to still be worth bringing up. Rich Wales ri...@richw.org
