Just got an email from " No rply@bitmaintech.com offering a "presale fpr the new S11 at 74 THs and 1400 watts. $2200 each. Complete with Bar code payment options, Crypto only.  TOTAL SCAM!! DO NOT FALL FOR IT. All purchases are done at Bitmain website and this is not. All emails from bitmain are from " webmaster@bitmaintech" not nrply@bitmaintech.com.