Re: [Asrg] 0. General - Inquiry about CallerID Verification

["Hector Santos" <winserver.support@winserver.com>]

Hi Bart

----- Original Message ----- 
From: "Bart Schaefer" <schaefer@brasslantern.com>
To: "ASRG" <asrg@ietf.org>
>
> Suppose a large ISP were to adopt the "caller ID" scheme (one already may
> have, see below).  A spammer forges winserver.com MAIL FROM: on a couple
of
> million messages destined for that ISP, distributed across all its dozens
> of MXs.  They all begin connecting to your MX to ID the caller.  Are you
> prepared to handle that load, or have you just been DoS'd into oblivion?

I was thinking more about this when it dawn on me,  this is non-issue.

This is already controlled by server access and availability.   The number
of receiver threads are definable by the sysop with a server 421 greeting
response of:

        421 domain, Service not available. Try again later


---
Hector Santos, CTO
WINSERVER "Wildcat! Interactive Net Server"
support: http://www.winserver.com
sales: http://www.santronics.com



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