[RC5] Possible spam-protection
jakob at paikin.dk
Sun Dec 19 16:36:01 EST 1999
Although the discussion on protecting participants from spamming is somewhat in the past, I would like to offer another suggestion.
I have used the script on http://www.soclair.ch/resources/scripts/perl/emp.html with great succes on a web-site containing many e-mail addresses.
The script basically checks what HTTP_USER_AGENT is accessing the site. If the agent is one of a number of known "harvest-programs", the script either returns no information or a bogus address.
If, however, the agent is a legitimate browser, the script returns the correct e-mail address.
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