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...Message rejected as spam by Content Filtering...<br />
<br />
Seems to be problem with the message content but not with the send on behalf. Is there any attachment in that mail that could cause this?
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...Message rejected as spam by Content Filtering...

Seems to be problem with the message content but not with the send on behalf. Is there any attachment in that mail that could cause this?

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There is a fix for this type of behaviour but it does not refer to the spam filter.<br />
<a href="http://support.microsoft.com/kb/895949" rel="ugc nofollow">http://support.microsoft.com/kb/895949</a>
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There is a fix for this type of behaviour but it does not refer to the spam filter.
http://support.microsoft.com/kb/895949 [http://support.microsoft.com/kb/895949]

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I am having a problem with sending from a user in outlook via a seprate mailbox. I have given all the correct rights in server management. I have setup mailbox rights with full permisson.<br />
<br />
Im recieving this error You do not have permission to send to this recipient. &nbsp;For assistance, contact your system administrator.<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; MSEXCH:MSExchangeIS:/DC=lo<wbr />cal/DC=dom<wbr />ainname:se<wbr />rvername<br />
<br />
You do not have permission to send to this recipient. &nbsp;For assistance, contact your system administrator.<br />
<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;external dns #5.7.1 smtp;550 5.7.1 Message rejected as spam by Content Filtering.&gt;
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I am having a problem with sending from a user in outlook via a seprate mailbox. I have given all the correct rights in server management. I have setup mailbox rights with full permisson.

Im recieving this error You do not have permission to send to this recipient.  For assistance, contact your system administrator.
            MSEXCH:MSExchangeIS:/DC=local/DC=domainname:servername

You do not have permission to send to this recipient.  For assistance, contact your system administrator.

            <external dns #5.7.1 smtp;550 5.7.1 Message rejected as spam by Content Filtering.>

exchange 2003 send on behalf of permissions

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

Small Business Server (SBS) is a line of server operating systems targeted at small businesses by bundling the operating system with a number of other Microsoft products that would normally need to be purchased or licensed separately. The most notable inclusions are Exchange, SQL Server, SharePoint and ISA/TMG (Microsoft's firewall and proxy server).