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We have Exchange Server 2010 setup and we can send email as another user.

However, we have an undesired side effect:

Authenticated as, can send an email to anyone as, but the sent message ends up in bill's inbox, regardless of who the message was sent to.

Anyway we can disable this "feature" and not have the sent messages end up in the other user's inbox?

Here is a sample header:

Received: from localhost (xx.xx.xx.xx) by (xx.xx.xx.xx) with
Microsoft SMTP Server (TLS) id; Tue, 28 Jun 2011 12:37:53 -0700
From: Bill Gates <>
To: Steve Jobs <>
Reply-To: Bill Gates <>
Subject: Test Subject
Date: Tue, 28 Jun 2011 12:37:52 -0700
Content-Type: text/html; charset="utf-8"
Content-Transfer-Encoding: quoted-printable
Content-Disposition: inline
Message-ID: <ff5f075d-e615-4e07-8527-395f05e006f2@EVAEXCH01.domain.local>
X-MS-Exchange-Organization-AuthSource: evaexch01.domain.local
X-MS-Exchange-Organization-AuthAs: Internal
X-MS-Exchange-Organization-AuthMechanism: 06
X-Originating-IP: [xx.xx.xx.xx]
X-Auto-Response-Suppress: DR, OOF, AutoReply
MIME-Version: 1.0
share|improve this question
I may be wrong, but I don't believe that is standard behaviour. – Ben Pilbrow Jun 28 '11 at 21:16
I agree it does seem odd. However it does seem to be the default behavior. – Michael Irey Jun 28 '11 at 21:20
I'm kinda clutching at straws here, but is there anything unusual in the message headers or in the message tracking logs to indicate what might be wrong? – Ben Pilbrow Jun 28 '11 at 21:25
How do the users connect to Exchange: POP, IMAP, MAPI? Do you use an SMTP proxy or smart host? – joeqwerty Jun 28 '11 at 22:18
In addition, if I'm not mistaken there shouldn't be any headers for an internal message so the email has to be going outside the server and then back to Bill. Do the ip addresses in the headers give you a clue as to where the message is going? – joeqwerty Jun 28 '11 at 22:47

Outdated to say the least....would have suggested to close it, but:

The behavior is as expected and standard, but check this article to further clarify your request. Even though it describes the scenario to alter the default behavior, it will provide the necessary details to alter your scenario accordingly.

If not, please provide the necessary details and/or your solution and/or please close the incident

share|improve this answer
Inbox, not sent items. – longneck Apr 24 '13 at 0:18

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