[Nottingham] Disable Ports

Martin martin at ml1.co.uk
Tue Aug 29 17:46:50 BST 2006

Reminder: Please start a _new_ thread for a new topic!
Hint: Use "write" or "new" and NOT "reply"

Pain: It messes up threaded readers and threaded archives! (If we all
used "reply" for everything, there would only be one thread for
everything which would make threading pointless!

David Aldred wrote:
> On Tuesday 29 August 2006 16:04, Johan Boshoff wrote:
>>It seems like someone is using my server to send out mail and I don't know
>>where to start the investigation. 
> What leads you to think this is happening?
> If you are getting bounce messages for mail you didn't send, it's probably not 
> your server being used, but your address being faked elsewhere.  

Exactly. Of late, the spammers have made "mail bounce" messages useless
due to using ridiculous numbers of faked bounce messages for spam.
Simple large scale vandalism of the internet. :-(

On a practical note, take a look at your system logs to see what your
machine has actually been doing. Take a look also at the mail headers to
see if they make sense or whether they are indeed fakes.

Let us know what you find.

Good luck,

Martin Lomas
martin at ml1.co.uk

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