On Tue, May 17, 2011 at 6:25 PM, Noel Jones <njo...@megan.vbhcs.org> wrote:
>
> The usual suspects are:
>
> - these are not really generated from your machine, but rather bounces of
> undeliverable mail you've previously accepted. Don't accept mail you can't
> or won't deliver.
>
> - an insecure web script is being exploited.
>
> See more on both these subjects in the list archive.
>
> If you're only seeing a handful per day, my guess is these are bounces.
>  Usually exploits result in tens of thousands or more spams sent.
>
> You can show postfix log entries here if you need more information on what
> they mean.
>
>
>
>  -- Noel Jones
>

OK, I found it. I was misreading logs. I found a compromized account
that was being used to send spams.

Thanks for your help!

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