diff --git a/app/validators/typoed_email_validator.rb b/app/validators/typoed_email_validator.rb
index 90962bb3..c76afa8f 100644
--- a/app/validators/typoed_email_validator.rb
+++ b/app/validators/typoed_email_validator.rb
@@ -6,17 +6,23 @@ class TypoedEmailValidator < ActiveModel::EachValidator
     # without @:
     ".con",
     ".coom",
+    ".cmo",
     ".mail",
 
     # with @:
     *%w[
       fmail.com
+      gail.com
+      gamil.com
       gemail.com
+      gmail.cm
       gmail.co
       gmaile.com
       gmaill.com
       gmali.com
+      hotamil.com
       hotmaill.com
+      iclooud.com
       iclould.com
       icluod.com
     ].map { "@#{_1}" }
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index 2bf6fbb6..cd8be3e0 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -73,20 +73,31 @@ RSpec.describe User, type: :model do
     include_examples "invalid email", "fritz.fantom@protonmail.con"
     # neither is .coom
     include_examples "invalid email", "fritz.fantom@gmail.coom"
+    # nor .cmo
+    include_examples "invalid email", "gustav.geldsack@gmail.cmo"
     # nor .mail (.email is, however)
     include_examples "invalid email", "fritz.fantom@proton.mail"
     # common typos:
     include_examples "invalid email", "fritz.fantom@fmail.com"
+    include_examples "invalid email", "fritz.fantom@gamil.com"
     include_examples "invalid email", "fritz.fantom@gemail.com"
+    include_examples "invalid email", "fritz.fantom@gmail.cm"
     include_examples "invalid email", "fritz.fantom@gmail.co"
     include_examples "invalid email", "fritz.fantom@gmailcom"
     include_examples "invalid email", "fritz.fantom@gmaile.com"
     include_examples "invalid email", "fritz.fantom@gmaill.com"
     include_examples "invalid email", "fritz.fantom@gmali.com"
+    include_examples "invalid email", "fritz.fantom@hotamil.com"
     include_examples "invalid email", "fritz.fantom@hotmailcom"
     include_examples "invalid email", "fritz.fantom@hotmaill.com"
+    include_examples "invalid email", "fritz.fantom@iclooud.com"
     include_examples "invalid email", "fritz.fantom@iclould.com"
     include_examples "invalid email", "fritz.fantom@icluod.com"
+    # gail.com would be a valid email address, but enough people typo it
+    #
+    # if you're the owner of that TLD and would like to use your email on
+    # retrospring, feel free to open a PR that removes this ;-)
+    include_examples "invalid email", "fritz.fantom@gail.com"
     # no TLD
     include_examples "invalid email", "fritz.fantom@gmail"
     include_examples "invalid email", "fritz.fantom@protonmail"