Autor: Dave C. Fecha: A: Adam Moffett Cc: exim-users Asunto: Re: [Exim] (no subject)
On Sat, 5 Oct 2002, Adam Moffett wrote:
> I also get lots of connections from optprofessionals.com...not quite
> on the order of hundreds simultaneously, but I do get a lot of them.
>
> I'm also using the DNS blacklist at bl.spamcop.net. And almost all
> of the connections I get from optprofessionals.com are rejected due
> to a spamcop listing before they get a chance to do anything. If
> nothing else helps, that should.
Yes, but in exim4, I can only reject at the RCPT TO, and the connections
sit there wading thru hundreds of RCPT TO's each - I'd like to find way
to just DROP the connection with a short delay and a 5xx once it says
"HELO whatever.optprofessionals.com"
>
> >Is anyone else getting TONS of connections from seemingly random IP
> >addresses, all giving a HELO (something random).optprofessionals.com,
> >trying to send to tons of addresses. As it happens, the MAIL FROM they
> >are using is invalid, so we reject the messages, but there are like a
> >hundred or more simultaneous connections coming in at once, each one
> >wading its way thruough thousands of recipients - and they dont give
> >up either - I kill all of the processes off, and they come back
> >knocking on my SMTP port in less than an hour...
> >
> >Anyone else seeing these?
> >
>