33 popular email domains are currently supported, grouped by region:
Global： gmail.com, googlemail.com, hotmail.com, icloud.com, live.com, outlook.com, protonmail.com, yahoo.com
Mainland China： 126.com, 139.com, 163.com, 189.cn, foxmail.com, qq.com, sina.com, sohu.com, yeah.net
Taiwan, China： hinet.net, yahoo.com.tw
Japan： docomo.ne.jp, ezweb.ne.jp, i.softbank.jp, softbank.ne.jp, yahoo.co.jp
South Korea： daum.net, hanmail.net, nate.com, naver.com
Vietnam： fpt.vn, viettel.vn, vnn.vn, vnpt.vn
Thailand： sanook.com