Here's an updated list in alphanumeric order...
$ForbidenEmailProvider[] = "@110mail.net";
$ForbidenEmailProvider[] = "@126.com";
$ForbidenEmailProvider[] = "@12gohere.net";
$ForbidenEmailProvider[] = "@163.com";
$ForbidenEmailProvider[] = "@188.com";
$ForbidenEmailProvider[] = "@263.com";
$ForbidenEmailProvider[] = "@21cn.com";
$ForbidenEmailProvider[] = "@aol.com";
$ForbidenEmailProvider[] = "@anji.com";
$ForbidenEmailProvider[] = "@aksarat.eu";
$ForbidenEmailProvider[] = "@bestcrusher.com";
$ForbidenEmailProvider[] = "@betfairmethods.com";
$ForbidenEmailProvider[] = "@bettabirch.com";
$ForbidenEmailProvider[] = "@boxedchristmascards.ne";
$ForbidenEmailProvider[] = "@buybrandshop.info";
$ForbidenEmailProvider[] = "@cooljordanshoesale.com";
$ForbidenEmailProvider[] = "@cooljordanshoestore.com";
$ForbidenEmailProvider[] = "@corpease.net";
$ForbidenEmailProvider[] = "@cric.com";
$ForbidenEmailProvider[] = "@crystal.com.cn";
$ForbidenEmailProvider[] = "@digitalchina.com";
$ForbidenEmailProvider[] = "@dsmzibo.com";
$ForbidenEmailProvider[] = "@dunkssb.net";
$ForbidenEmailProvider[] = "@duoyuan.com";
$ForbidenEmailProvider[] = "@eascs.com";
$ForbidenEmailProvider[] = "@energyforthehome.com";
$ForbidenEmailProvider[] = "@fnf.com";
$ForbidenEmailProvider[] = "@free-medicine.net";
$ForbidenEmailProvider[] = "@fuanan.com.cn";
$ForbidenEmailProvider[] = "@fujitec.com.cn";
$ForbidenEmailProvider[] = "@gdppri.com";
$ForbidenEmailProvider[] = "@ginwave.com";
$ForbidenEmailProvider[] = "@gnete.com";
$ForbidenEmailProvider[] = "@gmx.com";
$ForbidenEmailProvider[] = "@haerte.cn";
$ForbidenEmailProvider[] = "@hamworthy.cn";
$ForbidenEmailProvider[] = "@he.libertycenterone.com";
$ForbidenEmailProvider[] = "@hnrtu.com";
$ForbidenEmailProvider[] = "@hotmilitararygirls.com";
$ForbidenEmailProvider[] = "@hush.com";
$ForbidenEmailProvider[] = "@infosec.com.cn";
$ForbidenEmailProvider[] = "@jotun.com";
$ForbidenEmailProvider[] = "@karststage.com";
$ForbidenEmailProvider[] = "@lenfos.com";
$ForbidenEmailProvider[] = "@linkjewellery.com";
$ForbidenEmailProvider[] = "@mail.iap.ac.cn";
$ForbidenEmailProvider[] = "@mail.j2.com";
$ForbidenEmailProvider[] = "@mail114.net";
$ForbidenEmailProvider[] = "@mail15.com";
$ForbidenEmailProvider[] = "@mailcity.com";
$ForbidenEmailProvider[] = "@mailinator.com";
$ForbidenEmailProvider[] = "@millenniumchengdu.com";
$ForbidenEmailProvider[] = "@mx8168.net";
$ForbidenEmailProvider[] = "@netapp.com";
$ForbidenEmailProvider[] = "@ns4.i-mecca.net";
$ForbidenEmailProvider[] = "@pidec.biz";
$ForbidenEmailProvider[] = "@ptp.com.cn";
$ForbidenEmailProvider[] = "@pumpkincarving.org";
$ForbidenEmailProvider[] = "@qiye.163.com";
$ForbidenEmailProvider[] = "@qq.com";
$ForbidenEmailProvider[] = "@qtyhosting.com";
$ForbidenEmailProvider[] = "@ro.openoffice.org";
$ForbidenEmailProvider[] = "@saic.com.cn";
$ForbidenEmailProvider[] = "@satiny.co.uk";
$ForbidenEmailProvider[] = "@sina.com";
$ForbidenEmailProvider[] = "@sohu.com";
$ForbidenEmailProvider[] = "@speaktolearn.net";
$ForbidenEmailProvider[] = "@sunrider.com";
$ForbidenEmailProvider[] = "@supraonfootstore.com";
$ForbidenEmailProvider[] = "@theory-test-practice.co.uk";
$ForbidenEmailProvider[] = "@tom.com";
$ForbidenEmailProvider[] = "@vip.163.com";
$ForbidenEmailProvider[] = "@wellgo.com";
$ForbidenEmailProvider[] = "@ym.163.com";
$ForbidenEmailProvider[] = "@yahoo.cn";
$ForbidenEmailProvider[] = "@yahoo.com.cn";
$ForbidenEmailProvider[] = "@yeah.net";