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There are no transport rules. And the mailbox A is a user mailbox by the name of a city that is acting as a &nbsp;shared mailbox so there is no one using that mailbox A on an Outlook, everyone has got that as an attached mailbox so I doubt there might be any Outlook rule. But I will check by logging onto a separate machine from that mailbox. If we change our machine, are the Outlook rules still there ?
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There are no transport rules. And the mailbox A is a user mailbox by the name of a city that is acting as a  shared mailbox so there is no one using that mailbox A on an Outlook, everyone has got that as an attached mailbox so I doubt there might be any Outlook rule. But I will check by logging onto a separate machine from that mailbox. If we change our machine, are the Outlook rules still there ?

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Yes the rules will be present.<br />
<br />
Will.
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I would also check Message Tracking as well to see where the emails are coming from. <br />
<br />
Will.
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I would also check Message Tracking as well to see where the emails are coming from.

Will.

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Don't forget to check the transport rules on the Exchange Server.
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Don't forget to check the transport rules on the Exchange Server.

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Yesss !! It was a rule in Outlook. I deleted that rule and there are no forwarded emails now. Thanks alot guys !
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Yesss !! It was a rule in Outlook. I deleted that rule and there are no forwarded emails now. Thanks alot guys !

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I have exchange 2010 Sp1 in my environment. There is a mailbox, mailbox A. When we send email to mailbox A, the same email is being forwarded by mailbox A to mailboxes B and C. I have checked, there is no forwarding enabled on mailbox A. Can anyone please tell me what can be the configuration ?
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I have exchange 2010 Sp1 in my environment. There is a mailbox, mailbox A. When we send email to mailbox A, the same email is being forwarded by mailbox A to mailboxes B and C. I have checked, there is no forwarding enabled on mailbox A. Can anyone please tell me what can be the configuration ?

Exchange 2010 - Email forwarding

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

Microsoft Outlook is a personal information manager from Microsoft, available as a part of the Microsoft Office suite. Although often used mainly as an email application, it also includes a calendar, task manager, contact manager, note-taker, journal, and web browser.

Outlook

Within Internet message handling services (MHS), a message transfer agent or mail transfer agent (MTA) or mail relay is software that transfers electronic mail messages from one computer to another using a client–server application architecture. A MTA implements both the client (sending) and server (receiving) portions of the Simple Mail Transfer Protocol (SMTP). The terms mail server, mail exchanger, and MX host may also refer to a computer performing the MTA function. The Domain Name System (DNS) associates a mail server to a domain with mail exchanger (MX) resource records containing the domain name of a host providing MTA services.

Email Servers

An email client, email reader or more formally mail user agent (MUA) is a computer program in the category of groupware environments used to access and manage a user's email. A web application that provides message management, composition, and reception functions may internally act as an email client; as a whole, it is commonly referred to as webmail. Likewise, email client may be referred to a piece of computer hardware or software whose primary or most visible role is to work as an email client. Email clients can also have other systems, like calendars, notes and contact managers.