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Old 12-03-2008
edzillion edzillion is offline
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Join Date: Sep 2008
Posts: 8
recieving undeliverable reciepts of spam mails that seem to be coming from my domain

Hi
I am getting undeliverable reciepts for what look like spam emails coming from my domain. Here is an example:

Your message did not reach some or all of the intended recipients.
Subject:Attack your baby, she wants
Sent:02/12/2008 01:45

The following recipient(s) cannot be reached:
blah@blah.com on 02/12/2008 01:45
The message reached the recipient's e-mail system, but delivery was refused. Attempt to resend the message. If it still fails, contact your system administrator.
< server.server.com #5.2.0 SMTP; 550 ######## SPAM EMAIL NOT ACCEPTED ########>

The server listed at the bottom is listed second on the list of mx records for the domain the emails seem to be coming from.
What should I do to get rid of these? Should I be worried etc.