I saw this is making the rounds of the news aggregators; https://www.rescam.org/
Looks like a really good project from Netsafe. I hope it takes off.
My only concern is people using it for a different agenda.
e.g. some group has it in for a legitimate company, so they forward emails to re:scam en-masse.
I think there needs a mechanism to help legit sources be able to opt-out