serious spam problem

[Radio_Head]

Someone is sending spam messages containing virus using my box .. this is the email header

myserver.com is my box and venus.myserver.com is my hostname .

myuser.com on X-Failed-Recipients is one of my users .

What is mailnull ? Any idea who is sending spam ?


19u5KF-0002rr-5h-H
mailnull 47 12
<>
1062486699 0
-ident mailnull
-received_protocol local
-body_linecount 1383
-deliver_firsttime
-localerror
XX
1
[email protected]

150P Received: from mailnull by venus.myserver.com with local (Exim 4.20)
id 19u5KF-0002rr-5h
for [email protected]; Tue, 02 Sep 2003 03:11:39 -0400
041 X-Failed-Recipients: [email protected]
060F From: Mail Delivery System <[email protected]>
028T To: [email protected]
059 Subject: Mail delivery failed: returning message to sender
049I Message-Id: <[email protected]>
038 Date: Tue, 02 Sep 2003 03:11:39 -0400

cPanel.net Support Ticket Number:

 

[Radio_Head]

stupid me ... the spam was not starting from my box , but
received from my box .

I found the attacker and blocked him with firewall (apf) .
Problem stopped.

cPanel.net Support Ticket Number: