[CentOS] find out which website is used for sending email?

John R Pierce pierce at hogranch.com
Tue Oct 27 07:05:21 UTC 2009

Peter Peltonen wrote:
> I got a report that my CentOS 5.4 is used for sending spam.
> >From sendmail maillog I can see that apache has been sending a lot of
> email to suspicious addresses.
> Probably one of the many Apache virtual hosts I have is used for
> sending spam. But how to find out which one?

the maillog should show where the messages are coming from

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