[Mimedefang] SMTP Tarpit

[Lucas Albers]

You can configure this in sendmail.
Reject all mail send to all recipients where there are two or more invalid
recipients, with the following line in sendmail.mc.

define(`confBAD_RCPT_THROTTLE',`2')dnl limit spammers from trolling for
users on the system.



--Luke
--Computer Science System Administrator
--Montana State University Bozeman,MT



On Fri, 23 May 2003 listuser at numbnuts.net wrote:

> Unfortunately I still have the problem of what to do
> with a spamware dictionary harvesting app checks the existence of a
> username it knows shouldn't exist.  I can't think of any good ways of
> doing that.

So reject the first 10 attempts, and thereafter, accept only 5% or so
of the attempts to make the statistics seem realistic.

Regards,

David.
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