diff --git a/app/models/forumthread.rb b/app/models/forumthread.rb
index e2de6a7..0d7a5d4 100644
--- a/app/models/forumthread.rb
+++ b/app/models/forumthread.rb
@@ -47,7 +47,7 @@ class Forumthread < ActiveRecord::Base
     mails = []
     new_mentions.each do |user|
       begin
-        mails << RedstonerMailer.new_thread_mention_mail(user, self) if user.normal? && user.confirmed? && user.mail_mention?
+        mails << RedstonerMailer.new_thread_mention_mail(user, self) if user.normal? && user.confirmed? && self.can_read?(user) && user.mail_mention?
       rescue => e
         Rails.logger.error "---"
         Rails.logger.error "WARNING: Failed to create new_thread_mention_mail (view) for reply#: #{@self.id}, user: #{@user.name}, #{@user.email}"
diff --git a/app/models/threadreply.rb b/app/models/threadreply.rb
index a5bd425..b925b0e 100644
--- a/app/models/threadreply.rb
+++ b/app/models/threadreply.rb
@@ -38,7 +38,7 @@ class Threadreply < ActiveRecord::Base
     mails = []
     new_mentions.each do |user|
       begin
-        mails << RedstonerMailer.new_thread_reply_mention_mail(user, self) if user.normal? && user.confirmed? && user.mail_mention?
+        mails << RedstonerMailer.new_thread_reply_mention_mail(user, self) if user.normal? && user.confirmed? && self.thread.can_read?(user) && user.mail_mention?
       rescue => e
         Rails.logger.error "---"
         Rails.logger.error "WARNING: Failed to create new_thread_reply_mention_mail (view) for reply#: #{@self.id}, user: #{@user.name}, #{@user.email}"