The email address info@amazonpayment.com is not a scam, it is linked to Amazon Pay. It is a legitimate email address because amazonpayment.com, the domain name part of the email address, is owned by Amazon. If you do a Whois lookup of the domain name, you will see that it was created in 2005 and it is owned by Amazon Technologies, Inc. Also, if you go to amazonpayment.com, you will be redirected to pay.amazon.com.