On Sat, 18 Sep 2004, Meng Weng Wong wrote:
I agree that BATV/SES are the best solution to the
stop-bogus-bounces problem, better than SPF Classic because
they can be implemented unilaterally. The cost is only
slightly higher than SPF Classic: both require domains to
corral all their users into using the domain's approved
servers.
Incorrect: you can implement BATV on a per-user basis. Users can continue
to work as they currently do, but if backscatter is a problem for them
they can reconfigure as necessary (so that they always use authenticated
message submission via the domain's home systems) and turn on BATV,
without affecting other users of that domain.
Tony.
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