TIL: 'transfer.it'.
some kinda ... paypal like thing run by mega.nz to do.. like bitcoin paypal ops?
i guess its being used to spew spam all over the place? and the emails are 100% legit - some attacker is abusing transfer.it's infra to send btc related 'oh no some billed you! click here to fall into this super fuckin obvious bullshit trap'
never heard of the shit before, but just fyi, in case you know anbyody that uses it