| Other Black lists |
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| Ø | Each list is
different |
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| Ø | Mostly list
open mail relay hosts because |
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| they can be
pro-actively sought out and |
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| tested via
automated tools |
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| Ø | List accuracy
is only as good as the |
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| testing tools,
the list maintainer and |
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| his/her
policies, or lack thereof |
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| Ø | At least 30 or
more exist |
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| Ø | Go to
relays.osirusoft.com and search on |
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| an IP address
for a listing of all the |
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| blacklists |
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