On Sat, Sep 1, 2012 at 3:31 PM, Angus McIntyre <[email protected]> wrote:

>
> On Sep 1, 2012, at 11:17 AM, J.R. Lillard <[email protected]> wrote:
> > I have a client that uses spamdyke but I am new to it.  I've read
> through the documentation so I am vaguely familiar with it now.  They have
> been under a DDOS attack for about a month now.  It's not enough to bring
> their servers down.  Basically it's a bunch of SMTP traffic attempting to
> send spam.  Spamdyke has been doing a great job of blocking the connections
> usually with the DENIED_RDNS_MISSING error.  The problem is this attack has
> been eating up a lot of their bandwidth.  As a temporary measure their ISP
> has asked them to just drop the invalid connections instead of issuing the
> appropriate SMTP response codes.  Is this something spamdyke can be
> configured to do?  I did not see anything obvious in the documentation.
>
> Are the spammers attempting to deliver spam to their server, or to relay
> spam through it?
>

The messages that are failing are actually being targeted to domains they
host.

-- 
J.R. Lillard
System / Network Admin
Web Programmer
Hyphen Communications
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