I cannot understand Indonesian but your screenshot shows you want to buy STEEM with ETH. You can use this post as reference, just change change currencies you wish to use (Bitcoin or Ether or whatever) and make sure to use/select the correct currency and address OR you will LOSE your funds. To buy STEEM or Steem Power or SBD the receive address should be our Steemit USERNAME.
Above link is for BUYING Steem or Steem Power or SBD. You can use below post as reference when SELLING Steem or SBD.
To sell STEEM or SBD to Bitcoin, Ether, Bitcoin Cash, Dogecoin, the receive address should be the long alphanumeric address like in the screenshot below, not email.Email address can be used to send/receive cryptos ONLY IF i.e. Xapo to Xapo accounts/wallets, Coinbase to Coinbase accounts/wallets, etc.