Surblhost 0.6.2 review
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Surblhost project is a small program to see if hostnames are listed in the Spam URI Realtime Blocklists (SURBL).
Hosts that are blacklisted means that global spam email have been reported to contain links to these hosts.
Many popular spam email filters use these lists to identify spam email, but this program makes it possible to use the lists for any conceivable purpose, such as filtering out bad hosts from URL redirection, and so on.
Examples:
Verbose output
$ surblhost -v bigredskhoediet.com clowndiket.com
checking against multi.surbl.org
bigredskhoediet.com.multi.surbl.org is blacklisted by [jp][ab][ob][sc][ws]
clowndiket.com.multi.surbl.org is blacklisted by [jp][ob][sc][ws]
see http://www.surbl.org/lists.html for more information on the blacklists
More verbose output
$ surblhost -vv --test
test.sc.surbl.org.sc.surbl.org 127.0.0.2 is blacklisted by spamcop
test.sc.surbl.org.sc.surbl.org txt record: sc.surbl.org permanent test point
Whitelisting and stripping of subdomains
$ surblhost -vv -s www.google.com
checking against multi.surbl.org
google.com is in whitelist
Recognition of two-level TLDs
$ surblhost -vv -s www.somewhere.co.uk
checking against multi.surbl.org
somewhere.co.uk.multi.surbl.org is not blacklisted
Blocked site discovered using recursive checking
# NO HIT
$ surblhost -v 156.tissuqeweightloss.com
checking against multi.surbl.org
warning: hostname contains subdomains: 156.tissuqeweightloss.com (try option -r)
156.tissuqeweightloss.com.multi.surbl.org is not blacklisted
# OPTION -r GIVES HIT
$ surblhost -v -r 156.tissuqeweightloss.com
checking against multi.surbl.org recursively
156.tissuqeweightloss.com.multi.surbl.org is not blacklisted
tissuqeweightloss.com.multi.surbl.org is blacklisted by [jp][ob][sc][ws]
see http://www.surbl.org/lists.html for more information on the blacklists
What's New in This Release:
Better check for res_init for Darwin and FreeBSD systems.
Changed make target `test' to `check'.
Surblhost 0.6.2 keywords