Matthew Byng-Maddick <exim@???> writes:
> On Mon, Nov 03, 2003 at 11:41:30AM +0100, Christoph Kliemt wrote:
>> I do it this way: If someone tries to relay, i put the ip in a
>> database (postgres) and refuse a connection (acl_smtp_connect) for a
>> week or so... it works! :-)
>
> That's a really stupid thing to do. If you misconfigure an MX, or a
> client of yours misconfigures an MX to point to you, then you end up
> blacklisting innocents.
Someone who misconfigures an MX is not innocent.
> Not only that, but at that point, they can't even contact your
> postmaster to tell you that they're being blocked for no good reason.
