At 11:18 AM -0500 6/20/03, Evan Harris wrote:
Well, keep in mind that the longer you run the system, the more
"relationships" that are observed and whitelisted.
As with any whitelist, there are potential privacy concerns, but
these concerns would be greater here because of the additional data
tracked in the database. Of greatest concern would be:
relay_ip # sending relay in IPV4 ascii dotted quad notation
mail_from # ascii address of sender
rcpt_to # the recipient address.
blocked_count # num of blocked attempts to deliver
passed_count # num of passed attempts we have allowed
create_time # timestamp of creation time of this record
last_update # timestamp of last change to this record
[http://projects.puremagic.com/greylisting/source/dbdef.sql]
This extra data would provide a useful "permanent" record that would
be subject to criminal or civil subpoena. Some users would gladly
choose to allow this type of database to be created if it effectively
reduces spam, but users would need to be fully appraised of the
privacy risks.
John
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