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

Posted on 2012-03-20
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Last Modified: 2012-07-08
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?
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Question by:vss-pt
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LVL 37

Expert Comment

by:Neil Russell
ID: 37741548
THere is a good article on this site about spam prevention with Exchange
< HERE >
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LVL 37

Expert Comment

by:Neil Russell
ID: 37741552
Would help if you say what VERSION of exchange when you ask a question too....
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Author Comment

by:vss-pt
ID: 37741805
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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LVL 37

Expert Comment

by:Neil Russell
ID: 37741886
Read and follow ALL steps in ALL parts of the following article.

http://support.microsoft.com/kb/324958
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Top 6 Sources for Identifying Threat Actor TTPs

Understanding your enemy is essential. These six sources will help you identify the most popular threat actor tactics, techniques, and procedures (TTPs).

 

Author Comment

by:vss-pt
ID: 37820259
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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Author Comment

by:vss-pt
ID: 37931150
Any Ideas how to solve this issue?
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vss-pt earned 0 total points
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by:vss-pt
ID: 38164036
Solution not found
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