diff --git a/app/controllers/ajax/anonymous_block_controller.rb b/app/controllers/ajax/anonymous_block_controller.rb
new file mode 100644
index 00000000..04f06171
--- /dev/null
+++ b/app/controllers/ajax/anonymous_block_controller.rb
@@ -0,0 +1,24 @@
+class Ajax::AnonymousBlockController < AjaxController
+  def create
+    params.require :question
+
+    question = Question.find(params[:question])
+
+    AnonymousBlock.create!(
+      user:       current_user,
+      identifier: AnonymousBlock.get_identifier(question.author_identifier),
+      question:   question,
+    )
+
+    question.inboxes.first.destroy
+
+    @response[:status] = :okay
+    @response[:message] = I18n.t('messages.block.create.okay')
+    @response[:success] = true
+
+  rescue Errors::Base => e
+    @response[:status] = e.code
+    @response[:message] = I18n.t(e.locale_tag)
+    @response[:success] = false
+  end
+end
diff --git a/app/javascript/retrospring/features/inbox/entry/blockAnon.ts b/app/javascript/retrospring/features/inbox/entry/blockAnon.ts
new file mode 100644
index 00000000..185489a7
--- /dev/null
+++ b/app/javascript/retrospring/features/inbox/entry/blockAnon.ts
@@ -0,0 +1,30 @@
+import Rails from '@rails/ujs';
+
+import { showErrorNotification, showNotification } from "utilities/notifications";
+import I18n from "retrospring/i18n";
+
+export function blockAnonEventHandler(event: Event): void {
+    const element: HTMLAnchorElement = event.target as HTMLAnchorElement;
+
+    const data = {
+        question: element.getAttribute('data-q-id'),
+    };
+
+    Rails.ajax({
+        url: '/ajax/block_anon',
+        type: 'POST',
+        data: new URLSearchParams(data).toString(),
+        success: (data) => {
+            if (!data.success) return false;
+            const inboxEntry: Node = element.closest('.inbox-entry');
+
+            showNotification(data.message);
+
+            (inboxEntry as HTMLElement).remove();
+        },
+        error: (data, status, xhr) => {
+            console.log(data, status, xhr);
+            showErrorNotification(I18n.translate('frontend.error.message'));
+        }
+    });
+}
\ No newline at end of file
diff --git a/app/javascript/retrospring/features/inbox/entry/index.ts b/app/javascript/retrospring/features/inbox/entry/index.ts
index c17405c1..27bbc5ac 100644
--- a/app/javascript/retrospring/features/inbox/entry/index.ts
+++ b/app/javascript/retrospring/features/inbox/entry/index.ts
@@ -3,12 +3,14 @@ import { answerEntryHandler, answerEntryInputHandler } from './answer';
 import { deleteEntryHandler } from './delete';
 import optionsEntryHandler from './options';
 import { reportEventHandler } from './report';
+import { blockAnonEventHandler } from "retrospring/features/inbox/entry/blockAnon";
 
 export default (): void => {
   registerEvents([
     { type: 'click', target: 'button[name="ib-answer"]', handler: answerEntryHandler, global: true },
     { type: 'click', target: '[name="ib-destroy"]', handler: deleteEntryHandler, global: true },
     { type: 'click', target: '[name=ib-report]', handler: reportEventHandler, global: true },
+    { type: 'click', target: '[name=ib-block-anon]', handler: blockAnonEventHandler, global: true },
     { type: 'click', target: 'button[name=ib-options]', handler: optionsEntryHandler, global: true },
     { type: 'keydown', target: 'textarea[name=ib-answer]', handler: answerEntryInputHandler, global: true }
   ]);
diff --git a/app/views/inbox/_entry.haml b/app/views/inbox/_entry.haml
index b3cb71f3..ff42217b 100644
--- a/app/views/inbox/_entry.haml
+++ b/app/views/inbox/_entry.haml
@@ -22,6 +22,10 @@
                 %a.dropdown-item{ name: "ib-report", data: { q_id: i.question.id } }
                   %i.fa.fa-warning
                   = t("voc.report")
+              - if i.question.author_is_anonymous && i.question.author_identifier.present?
+                %a.dropdown-item{ name: "ib-block-anon", data: { q_id: i.question.id } }
+                  %i.fa.fa-minus-circle
+                  = t("views.actions.block")
               - if current_user.has_role? :administrator
                 %a.dropdown-item{ href: rails_admin_path_for_resource(i) }
                   %i.fa.fa-gears
diff --git a/config/routes.rb b/config/routes.rb
index 03120c1e..6e116e95 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -118,6 +118,7 @@ Rails.application.routes.draw do
     match '/mute', to: 'mute_rule#create', via: :post, as: :create_mute_rule
     match '/mute/:id', to: 'mute_rule#update', via: :post, as: :update_mute_rule
     match '/mute/:id', to: 'mute_rule#destroy', via: :delete, as: :delete_mute_rule
+    match '/block_anon', to: 'anonymous_block#create', via: :post, as: :block_anon
   end
 
   match '/discover', to: 'discover#index', via: :get, as: :discover