On Tue, Apr 15, 2003 at 06:23:09PM -0600, John Fenley wrote
============ ============= ===========
| SENDER | | THIRD PARTY | | RECIEVER |
| (and isp) |<=====>| (internet) |<====>| (and isp) |
============ ============= ===========
The third party should not block mail.
One clarification; in this scenario, "THIRD PARTY" is either an
upstream of "RECIEVER" ISP, or a peer through whom traffic flows.
DNSbls like Osirusoft and SPEWS are not physically capable of doing
any blocking. DNSbls are 3rd parties *WHO ARE CONSULTED BY "RECIEVER
(and/or isp)"*. The final decision to block/not-block is never made by
a DNSbl, it is made by the party that consults the DNSbl. Local lists
or policies can and do override the DNSbl's *RECOMMENDATION*.
--
Walter Dnes <waltdnes(_at_)waltdnes(_dot_)org>
An infinite number of monkeys pounding away on keyboards will
eventually produce a report showing that Windows is more secure,
and has a lower TCO, than linux.
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