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Frank_Rizzo - 11:55 am on Dec 15, 2006 (gmt 0)
Your site is automatically added to scripts which will fire off spam attempts continually. Spammers use bots to find phpbb (and other) boards and then create a list of url's to spam. It makes no difference if you apply a fix to prevent spam registrations - once you are in the loop you are in the loop. The best advice is to minimise the chance that your board will be targetted in the first place. For new installs I recommend not placing your forum in widgets.com/phpbb/ or widgets.com/forum/ and if you can use a gif for the phpbb.com copyright notices.
This won't stop attempts totally. You will still get attempts at posting and registering but they will now not get through.