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THere is a good article on this site about spam prevention with Exchange <br />
<a href="https://www.experts-exchange.com/Software/Server_Software/Email_Servers/Exchange/A_2727-Prevent-Spam-From-Your-Own-Domain-in-Exchange-2007.html" rel="ugc">&lt; HERE &gt;</a>
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THere is a good article on this site about spam prevention with Exchange
< HERE > [https://www.experts-exchange.com/Software/Server_Software/Email_Servers/Exchange/A_2727-Prevent-Spam-From-Your-Own-Domain-in-Exchange-2007.html]

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Would help if you say what VERSION of exchange when you ask a question too....
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Would help if you say what VERSION of exchange when you ask a question too....

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I am Sorry, it was cutted out on copy past operation. <br />
It is vesion Versão: 6.5.7638.1 that cames with SBS 2003
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I am Sorry, it was cutted out on copy past operation.
It is vesion Versão: 6.5.7638.1 that cames with SBS 2003

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Read and follow ALL steps in ALL parts of the following article.<br />
<br />
<a href="http://support.microsoft.com/kb/324958" rel="ugc nofollow">http://support.microsoft.com/kb/324958</a>
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Read and follow ALL steps in ALL parts of the following article.

http://support.microsoft.com/kb/324958 [http://support.microsoft.com/kb/324958]

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The server already doenst alow open relay.<br />
<br />
Probaly this as no solution.<br />
<br />
The email domain is foe eg. abc.com. Someone is sending though this server messages to the internal mailbox, for eg. to info@abc.com from info@abc.com.<br />
<br />
This is anoing because envolves lots os messages
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The server already doenst alow open relay.

Probaly this as no solution.

The email domain is foe eg. abc.com. Someone is sending though this server messages to the internal mailbox, for eg. to info@abc.com from info@abc.com.

This is anoing because envolves lots os messages

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Any Ideas how to solve this issue?
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<div class="content wysiwyg-content">
I am receiving Spam from my local address. <br />
They comnnecto to the SMPT server and send email on internal email's<br />
I«m not shure hou to prevent this. I cant remove anonymous autentication on SMPT protocol, because I receive Email on this server. I cant prevent the address because they are used internaly.<br />
<br />
So what is the solution?
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I am receiving Spam from my local address. 
They comnnecto to the SMPT server and send email on internal email's
I«m not shure hou to prevent this. I cant remove anonymous autentication on SMPT protocol, because I receive Email on this server. I cant prevent the address because they are used internaly.

So what is the solution?

How to prevent local to receive email from local address, from outside users

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.