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you can block the Postmaster from sending Email using the SMTP connector <br />
Right Click on the SMTP Connector and then select Delivery Restriction ,<br />
Add the Administrator to the list<br />
Reject Message From<br />
&nbsp;<br />

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you can block the Postmaster from sending Email using the SMTP connector
Right Click on the SMTP Connector and then select Delivery Restriction ,
Add the Administrator to the list
Reject Message From
 


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it may not be send out from you server. spammer may spoof your email address. &nbsp;the way to check is look at the return header. &nbsp;look in the body where the mail were send from. (line below x-spam-status)<br />
look at IP address. If it doesn't match your, most likely you were spoof. &nbsp;and nothing you can do about it. &nbsp;
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it may not be send out from you server. spammer may spoof your email address.  the way to check is look at the return header.  look in the body where the mail were send from. (line below x-spam-status)
look at IP address. If it doesn't match your, most likely you were spoof.  and nothing you can do about it.  

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Thanks, that got it.<br />
<br />
<br />
Ajeab, it was our Ip, but thanks.
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Thanks, that got it.


Ajeab, it was our Ip, but thanks.

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<div class="content wysiwyg-content">
I'm having a problem with spam going out with the address postmaster@ourdomain.com &nbsp;Not sure why I haven't found the infected computer, but wondering how to disable outbound email from postmaster until I get the virus issue resolved. About a month ago, I did run the test to check if we were a relay, and we are not. So it must be internal. Attached is the info I received from our ISP. We have server 2003 SP2 &nbsp; and exchange 2003 SP2. Any help would be great. Exchange is a weak point for me, but if you need any other info, I'm sure I can get it for you.<br />
<br />
Darren<br />
<a href="https://filedb.experts-exchange.com/incoming/2008/10_w44/72042/virus.jpg" target="_blank" class="file-inline" title="Header info (156 KB)"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M67.508 468.467c-58.005-58.013-58.016-151.92 0-209.943l225.011-225.04c44.643-44.645 117.279-44.645 161.92 0 44.743 44.749 44.753 117.186 0 161.944l-189.465 189.49c-31.41 31.413-82.518 31.412-113.926.001-31.479-31.482-31.49-82.453 0-113.944L311.51 110.491c4.687-4.687 12.286-4.687 16.972 0l16.967 16.971c4.685 4.686 4.685 12.283 0 16.969L184.983 304.917c-12.724 12.724-12.73 33.328 0 46.058 12.696 12.697 33.356 12.699 46.054-.001l189.465-189.489c25.987-25.989 25.994-68.06.001-94.056-25.931-25.934-68.119-25.932-94.049 0l-225.01 225.039c-39.249 39.252-39.258 102.795-.001 142.057 39.285 39.29 102.885 39.287 142.162-.028A739446.174 739446.174 0 0 1 439.497 238.49c4.686-4.687 12.282-4.684 16.969.004l16.967 16.971c4.685 4.686 4.689 12.279.004 16.965a755654.128 755654.128 0 0 0-195.881 195.996c-58.034 58.092-152.004 58.093-210.048.041z"/></svg>virus.jpg</a>
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virus.jpg

I'm having a problem with spam going out with the address postmaster@ourdomain.com  Not sure why I haven't found the infected computer, but wondering how to disable outbound email from postmaster until I get the virus issue resolved. About a month ago, I did run the test to check if we were a relay, and we are not. So it must be internal. Attached is the info I received from our ISP. We have server 2003 SP2   and exchange 2003 SP2. Any help would be great. Exchange is a weak point for me, but if you need any other info, I'm sure I can get it for you.

Darren

How to block outgoing spam from postmaster account

Anti-virus software was originally developed to detect and remove computer viruses. However, with the proliferation of other kinds of malware, antivirus software started to provide protection from other computer threats. In particular, modern antivirus software can protect from malicious browser helper objects (BHOs), browser hijackers, ransomware, keyloggers, backdoors, rootkits, trojan horses, worms, malicious layered service providers (LSPs), dialers, fraud tools, adware and spyware. Some products also include protection from other computer threats, such as infected and malicious URLs, spam, scam and phishing attacks, online identity theft (privacy), online banking attacks, social engineering techniques, Advanced Persistent Threat (APT), botnets and DDoS attacks.

Anti-Virus Apps

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.