>From: Ruga <r...@protonmail.com> >Sent: Wednesday, February 8, 2017 8:01 AM
>How odd, in a mailing list of spam fighters someone really >wants me to accept junk mail. >In the snail mail box, we put in the trashcan everything that >does not carry a recipient address. Guess what? We do the >same with e-mail. And we are happy about it. Snail mail doesn't support the concept of BCC and email does. BCC'ing is legit and it's tough to block spam that is sent this way but it's doable, just not based on the To: header.