diff --git a/.vscode/launch.json b/.vscode/launch.json
index 64e643b..bf9ab6a 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -6,6 +6,7 @@
     "configurations": [
         {
             "name": "nexusbot",
+            "preLaunchTask": "rm-socket",
             "program": "bin/nexusbot.dart",
             "args": [
                 "--socket",
diff --git a/.vscode/tasks.json b/.vscode/tasks.json
new file mode 100644
index 0000000..724fc1c
--- /dev/null
+++ b/.vscode/tasks.json
@@ -0,0 +1,14 @@
+{
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "rm-socket",
+            "type": "shell",
+            "presentation": {
+                "reveal": "silent",
+                "close": true
+            },
+            "command": "rm socket || true"
+        }
+    ]
+}
diff --git a/lib/helpers/api_helper.dart b/lib/helpers/api_helper.dart
index da9d2d6..b6a4f9e 100644
--- a/lib/helpers/api_helper.dart
+++ b/lib/helpers/api_helper.dart
@@ -1,5 +1,6 @@
 import "dart:convert";
 import "dart:io";
+import "package:markdown/markdown.dart";
 import "package:nexusbot/controllers/login_controller.dart";
 import "package:nexusbot/controllers/settings_controller.dart";
 import "package:nexusbot/models/registration.dart";
@@ -34,30 +35,68 @@ class ApiHelper {
     return json.decode(response.body)["room_id"];
   }
 
+  Future<String> sendMessage(message, {required String room}) async {
+    final settings = ref.read(SettingsController.provider)!;
+    final response = await http.put(
+      settings.homeserver.replace(
+        path:
+            "_matrix/client/v3/rooms/${await getRoomId(room)}/send/m.room.message/${getTxn()}",
+      ),
+      headers: await getHeaders(),
+      body: json.encode({
+        "msgtype": "m.text",
+        "body": message,
+        "format": "org.matrix.custom.html",
+        "formatted_body": markdownToHtml(message),
+      }),
+    );
+
+    if (response.statusCode != 200) {
+      throw Exception("Message send failed for room $room: ${response.body}");
+    }
+
+    return json.decode(response.body)["event_id"];
+  }
+
+  Future<String> react(
+    String reaction, {
+    required String eventId,
+    required String room,
+  }) async {
+    final settings = ref.read(SettingsController.provider)!;
+    final response = await http.put(
+      settings.homeserver.replace(
+        path:
+            "_matrix/client/v3/rooms/${await getRoomId(room)}/send/m.reaction/${getTxn()}",
+      ),
+      headers: await getHeaders(),
+      body: json.encode({
+        "m.relates_to": {
+          "rel_type": "m.annotation",
+          "event_id": eventId,
+          "key": reaction,
+        },
+      }),
+    );
+
+    if (response.statusCode != 200) {
+      throw Exception("Reaction failed for room $room: ${response.body}");
+    }
+
+    return json.decode(response.body)["event_id"];
+  }
+
   Future<Response> register(Request request) async {
     final settings = ref.read(SettingsController.provider)!;
     final registration = Registration.fromJson(
       json.decode(await request.readAsString()),
     );
 
-    final response = await http.post(
-      settings.homeserver.replace(
-        path:
-            "_matrix/client/v3/rooms/${await getRoomId(settings.adminRoom)}/send/m.room.message/${getTxn()}",
-      ),
-      headers: await getHeaders(),
-      body: json.encode({
-        "msgtype": "m.text",
-        "body":
-            "Signup request from ${registration.username}, email is: ${registration.email}.",
-      }),
-    );
+    final event = await sendMessage("""# Registration request
+- Username: `${registration.username}`
+- Email: `${registration.email}`""", room: settings.adminRoom);
 
-    if (response.statusCode != 200) {
-      throw Exception(
-        "Registration failed for ${registration.username}: ${response.body}",
-      );
-    }
+    await react("✅", eventId: event, room: settings.adminRoom);
 
     return Response.found(settings.successUri);
   }
diff --git a/pubspec.lock b/pubspec.lock
index 1b03549..e45aaff 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -385,6 +385,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.3.0"
+  markdown:
+    dependency: "direct main"
+    description:
+      name: markdown
+      sha256: "935e23e1ff3bc02d390bad4d4be001208ee92cc217cb5b5a6c19bc14aaa318c1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.3.0"
   matcher:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index 84f20f6..f65a51f 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -19,6 +19,7 @@ dependencies:
   cli_tools: ^0.6.0
   args: ^2.7.0
   enough_mail: ^2.1.6
+  markdown: ^7.3.0
 
 dev_dependencies:
   build_runner: ^2.4.6