diff --git a/README.md b/README.md
index f6f5500..0b43d5c 100644
--- a/README.md
+++ b/README.md
@@ -32,6 +32,23 @@ function is_temp_mail($mail) {
     return in_array(explode('@', $mail)[1], $mail_domains_ko);
 }
 ```
+Ruby on Rails
+
+In resource model, usually it is `user.rb`
+```Ruby
+before_validation :reject_email_blacklist
+
+def reject_email_blacklist
+  blacklist = File.read('config/disposable_email_blacklist.conf').split("\n")
+
+  if blacklist.include?(email.split('@')[1])
+    errors[:email] << 'invalid email'
+    return false
+  else
+    return true
+  end
+end
+```
 
 Contributing
 ============
diff --git a/disposable_email_blacklist.conf b/disposable_email_blacklist.conf
index 4cda52d..d84a340 100644
--- a/disposable_email_blacklist.conf
+++ b/disposable_email_blacklist.conf
@@ -586,6 +586,7 @@ esprity.com
 etranquil.com
 etranquil.net
 etranquil.org
+euaqa.com
 evanfox.info
 evopo.com
 example.com
@@ -869,6 +870,7 @@ hungpackage.com
 huskion.net
 hvastudiesucces.nl
 hwsye.net
+iaoss.com
 ibnuh.bz
 icantbelieveineedtoexplainthisshit.com
 icx.in