@gábor said:
...But as I see at the settings you allowed for other members to email you. With this option set on other members can email you and can see your email address...
That could explain it, however I can't find any way on this forum to view email addresses of other members. I can't click on user names to view profiles for instance. So are you really sure there isn't a database breach?
I too have received a similar email like tape3950 did, and it sure smells spammy.