https://www.posetteforever.com/viewtopic.php?f=46&t=1689&p=25449#p25449
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Tormie
Wednesday, 05 October 2005, 10:23 PM


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If I'm not wrong it exist a mod for phpbb for doing it, I'll search for it tomorrow. In any case actually I simply check the domain of the email if it comes from a free email service, manually. They are a lot:

http://www.fepg.net/providers.html