diff --git a/views/backend/mailbox.njk b/views/backend/mailbox.njk
index 3e8dbec..12721b0 100644
--- a/views/backend/mailbox.njk
+++ b/views/backend/mailbox.njk
@@ -28,16 +28,18 @@
                         <td>{{ identity.id }}</td>
                         <td>{{ identity.email }}</td>
                         <td class="actions">
-                            <form action="{{ route('backend-delete-mail-identity') }}" method="POST">
-                                <input type="hidden" name="id" value="{{ identity.id }}">
+                            {% if mailbox.name != identity.email %}
+                                <form action="{{ route('backend-delete-mail-identity') }}" method="POST">
+                                    <input type="hidden" name="id" value="{{ identity.id }}">
 
-                                <button class="danger"
-                                        onclick="return confirm('Are you sure you want to delete {{ identity.email }}?')">
-                                    <i data-feather="trash"></i> <span class="tip">Delete</span>
-                                </button>
+                                    <button class="danger"
+                                            onclick="return confirm('Are you sure you want to delete {{ identity.email }}?')">
+                                        <i data-feather="trash"></i> <span class="tip">Delete</span>
+                                    </button>
 
-                                {{ macros.csrf(getCsrfToken) }}
-                            </form>
+                                    {{ macros.csrf(getCsrfToken) }}
+                                </form>
+                            {% endif %}
                         </td>
                     </tr>
                 {% endfor %}