"Tim Bedding" <tim(_dot_)bedding(_at_)polyhedra(_dot_)com> wrote:
1. Greylisting: Email from a new domain that passes SPF is greylisted
for 30 minutes.
Is this the same as the following?
1. Email from a domain of unknown-reputation is greylisted
Yes.
If so, then a spammer would wait until his domain goes green
and he can then send email in the interval before the
domain is black-listed.
This defeats the grey list.
The idea is that the spamtrap addresses will cause blacklisting before
the domain can green off the greylist.
Seth
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