David wrote:
> I too am having issues where spammers are sending spam to non-existent
> email addresses of domains which I host. Qmail is bouncing the email
> (non deliverables) to an email address which the spammer provided as
> their "mail from" address.
>
> I need the simplest way to resolve this issue.
>
> 1.) figure out the emails they are sending to by reading the /var/
> qmail/queue/mess/ and then go put a .qmail-name file in the user's
> directory with a "#" in the .qmail file. I believe this will prevent
> a bounce response. Please confirm if this is true. Otherwise would I
> put "/dev/null" in this .qmail file?
>
> 2.) I need some sort of program which will run before qmail which will
> authenticate incomming email and if the address does not exist on our
> system then it should not even allow qmail to receive it and bounce
> the message with the body of the message.
>
> I would greatly appreciate the HELP from someone as our mail server is
> getting overloaded with spam

Is your system plesk??? For me, as all I can say for now, it is not
about qmail, but the plesk hacks...


Best, Dan.