diff --git a/app/workers/question_worker.rb b/app/workers/question_worker.rb
index 9a361553..9e7a3e2b 100644
--- a/app/workers/question_worker.rb
+++ b/app/workers/question_worker.rb
@@ -15,6 +15,7 @@ class QuestionWorker
       next if f.inbox_locked?
       next if f.banned?
       next if MuteRule.where(user: f).any? { |rule| rule.applies_to? question }
+      next if user.muting?(question.user)
 
       Inbox.create(user_id: f.id, question_id: question_id, new: true)
     end
diff --git a/lib/use_case/question/create.rb b/lib/use_case/question/create.rb
index 15ebcf5e..36ef0205 100644
--- a/lib/use_case/question/create.rb
+++ b/lib/use_case/question/create.rb
@@ -80,7 +80,8 @@ module UseCase
       def filtered?(question)
         target_user.mute_rules.any? { |rule| rule.applies_to? question } ||
           (anonymous && AnonymousBlock.where(identifier: question.author_identifier, user_id: [target_user.id, nil]).any?) ||
-          (source_user_id && anonymous && AnonymousBlock.where(target_user_id: [source_user.id, nil], user_id: [target_user.id, nil]).any?)
+          (source_user_id && anonymous && AnonymousBlock.where(target_user_id: [source_user.id, nil], user_id: [target_user.id, nil]).any?) ||
+          (source_user_id && target_user.muting?(source_user))
       end
 
       def source_user