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Re: [PLUG] Backup MX Question
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On Fri, Jun 02, 2006 at 03:33:21PM -0400, Andrew Libby wrote:
> If I recall correctly, one approach was to have a third MX that
> basically trashes everything as a spam subversion measure. There
> may be more to the configuration than that, but I don't recall.
>
> Anyone heard of this, know more about this?
Randal Schwartz does something like this, which he outlined on the qpsmtpd
list at one point (http://www.nntp.perl.org/group/perl.qpsmtpd/4756). He
configured two virtual IPs on the same mail server, and MX records for his
domain which point to these addresses:
[mct@ellesmere ~]$ mx stonehenge.com
stonehenge.com mail is handled by 5 blue.stonehenge.com.
stonehenge.com mail is handled by 666 spamtrap.stonehenge.com.
If a client connects to the primary MX, mail is accepted and delivered as
you would expect. If a client connects instead to the secondary MX, the
client's IP address is blacklisted for an hour.
Pretty cool.
-mct
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