Spamming

45 pts.
Tags:
IP address
IP address conflicts
IP address management
Spam
Spam prevention
Spamming
There is 1 ip because of that spamming is generated so what can i do to resolv the problem.

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remove the user from the network. then check out the pc…
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Best practice is to: Block outbound SMTP (port 25) traffic to/from all devices other than your mail server(s). Implement endpoint firewall/AV software that does not permit traffic on port 25. Scan the system in question with <a href=”http://www.microsoft.com/security_essentials/”>Microsoft Security Essentials for free</a> AV protection.

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  • Agt
    Thanx for support but i cant remove that pc any other solution?
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  • jinteik
    if you have antivirus then do a full scan on the pc..
    17,630 pointsBadges:
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  • Agt
    its done already
    45 pointsBadges:
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  • carlosdl
    You might want to clarify the question, so we don't need to assume what the problem is. Also, let us know what troubleshooting steps you have taken so far, so we don't suggest things you have already tried. If a machine is generating spam, then you should disconnect it from the netowork and scan it for malware. If you already did it, then do it again with another anti-malware program. For better results you should install and update the anti-malware program of your choice, then restart the machine in safe mode without networking, and then do the full scan.
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  • Labnuke99
    Please read my suggestion above about blocking port 25 outbound at your network edge. This will help keep your network off blackhole lists. Assuming this is a Windows machine: (if not please provide additional details about system config) You can run netstat -no at a command prompt on this machine to see what process (PID) is connecting to port 25 on a remote system. Once you get the PID number, run tasklist at the command prompt also to get the name of the process connected to port 25. For example the following shows how to find out the process connected to a remote system on port 5900 (VNC)
    netstat -no
    
    Active Connections
    
      Proto  Local Address          Foreign Address        State           PID
      TCP    10.11.50.33:445        10.11.99.11:1064       ESTABLISHED     4
      TCP    10.11.50.33:5441       10.11.99.11:445        ESTABLISHED     4
      TCP    10.11.50.33:5617       10.11.18.2:5900        ESTABLISHED     3544
      TCP    127.0.0.1:60164        127.0.0.1:60165        ESTABLISHED     5532
      TCP    127.0.0.1:60165        127.0.0.1:60164        ESTABLISHED     5532
      TCP    127.0.0.1:60166        127.0.0.1:60167        ESTABLISHED     5532
      TCP    127.0.0.1:60167        127.0.0.1:60166        ESTABLISHED     5532
    
    tasklist | find "3544"
    vncviewer.exe                 3544 Console                    1      8,676 K
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