diff --git a/config/deny_listed_email_domains.yml b/config/deny_listed_email_domains.yml
index 5e6ab6b5709..4ea58b5b24e 100644
--- a/config/deny_listed_email_domains.yml
+++ b/config/deny_listed_email_domains.yml
@@ -228,13 +228,11 @@
 - algeria.com
 - algeriamail.com
 - alhilal.net
-- alibaba.com
 - alice-dsl.net
 - alice.it
 - aliceadsl.fr
 - aliceinchainsmail.com
 - alive.cz
-- aliyun.com
 - allemails.co.uk
 - allergist.com
 - allmail.net
@@ -1074,7 +1072,6 @@
 - dei.uminho.pt
 - dejanews.com
 - deliveryman.com
-- dell.com
 - deltanet.com
 - deneg.net
 - depauw.edu
@@ -1410,7 +1407,6 @@
 - f-m.fm
 - f1drivers.com
 - f1fans.net
-- facebook.com
 - facebookmail.com
 - fadrasha.net
 - fadrasha.org
@@ -1892,9 +1888,6 @@
 - goodluckforu.cn.com
 - goodnewsmail.com
 - goodstick.com
-- google.ch
-- google.co.za
-- google.ru
 - googlegroups.com
 - googlemail.com
 - goooogle.igg.biz
@@ -2168,7 +2161,6 @@
 - iamwaiting.com
 - iamwasted.com
 - iamyours.com
-- ibm.net
 - icaoviedo.es
 - icestorm.com
 - icloud.com
@@ -5930,7 +5922,6 @@
 - tweakacapun.wwwhost.biz
 - twentylove.com
 - twinstarsmail.com
-- twitter.com
 - tx.rr.com
 - ty.squirtsnap.com
 - tycoonmail.com