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On 8 Feb 00, at 15:22, Jason Haar wrote:

> I've got Qmail on a DMZ host. No percenthack, good rcpthosts file/etc.
> Relaying of the form "user@remote" to "user@remote2" fails as
> expected. Mail from "user@remote" to "user@[EMAIL PROTECTED]" is
> accepted and passed onto our internal LAN Qmail server.

Why not? I mean, this address should mean "local user 
user@remote2 at our.domain". Unless something is terribly 
misconfigures, user@remote2 is a local username, not a remote 
user at remote2 machine.

> Now the DMZ
> host is on a different subnet than our LAN - so the LAN Qmail server
> thinks the incoming SMTP session is from a foreigner - but it still
> accepts it...

OK, so it accepts it. Does it bounce it, or does it deliver it?

> If I connect from the DMZ host to the interal LAN Qmail server and
> attempt a manual "user@remote" to "user@remote2" - that fails with the
> "no relaying" error. However "user@[EMAIL PROTECTED]" is accepted and
> past onto the appropriate smtproute rule. End result, relaying does
> occur... 

Does it really occur? If yes, we need to see how exactly you pass 
the message from DMZ to LAN. Normal smtproutes forwarding 
does not change the RCPT TO: address, ie. the local LAN server 
still sees "user@[EMAIL PROTECTED]" and bounces it back 
claiming "no such local mailbox user@remote2". Does that not 
happen?

> Why does Qmail treat xxx@sss@ttt addresses differently than it treats
> xxx@sss addresses when it comes to relaying checks?

It does not.

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--
Petr Novotny, ANTEK CS
[EMAIL PROTECTED]
http://www.antek.cz
PGP key ID: 0x3BA9BC3F
-- Don't you know there ain't no devil there's just God when he's drunk.
                                                             [Tom Waits]

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