Enigma@Home: Recent changes in account creation

As everyone may have already noticed, the project has been heavily hit by spammers. For the last weeks I've been fighting with up to 10k registrations per day, mostly just empty accounts which were created for unknown reasons (very few of them actually posted anything on forums or created profile/spam team). I've been looking into possible ways to filter out the spammers right where they start (registration) and after looking at a few of possible solutions, I made a patch for the BOINC server to use StopForumSpam databases. For now, the server does not allow access to registration script from any IP listed in SFS db and it also refuses to create account with email address which is blacklisted there. This immediately filtered out more than 99,9% of new accounts, the rest is reviewed manually and eventually spammers that slipped through registration are reported back to the SFS. There is also a daemon scriptwhich runs in background, randomly picking account and checking it against the blacklists, all accounts registered with blacklisted email address will be gone sooner or later together with any team and/or profile they have created (the script works very slowly, checking one account every few minutes, as I dont want to stress the SFS API which is a great free service). The script won't touch anyone who has any credits or even hosts attached, so legitimate accounts should be safe even if someone has their email blacklisted.

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