diff --git a/app/assets/javascripts/discourse/app/components/groups-form-interaction-fields.hbs b/app/assets/javascripts/discourse/app/components/groups-form-interaction-fields.hbs
index eca53831665..be4765d2487 100644
--- a/app/assets/javascripts/discourse/app/components/groups-form-interaction-fields.hbs
+++ b/app/assets/javascripts/discourse/app/components/groups-form-interaction-fields.hbs
@@ -105,6 +105,13 @@
       @placeholderKey="admin.groups.manage.interaction.incoming_email_placeholder"
     />
 
+    <span>
+      {{d-icon "info-circle"}}
+      <DTooltip>{{i18n
+          "admin.groups.manage.interaction.incoming_email_tooltip"
+        }}</DTooltip>
+    </span>
+
     <span>
       <PluginOutlet
         @name="group-email-in"
diff --git a/config/locales/client.en.yml b/config/locales/client.en.yml
index 0a3cb03adcc..2f38d16f907 100644
--- a/config/locales/client.en.yml
+++ b/config/locales/client.en.yml
@@ -4704,6 +4704,7 @@ en:
             email: Email
             incoming_email: "Custom incoming email address"
             incoming_email_placeholder: "enter email address"
+            incoming_email_tooltip: "You can separate multiple email addresses with the | character."
             visibility: Visibility
             visibility_levels:
               title: "Who can see this group?"