diff --git a/CHANGELOG.md b/CHANGELOG.md
index 14db197..66c2922 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,9 @@
-[0.0.3]
+## [0.0.4]
+
+- управление правами на отправку сообщений
+- сохранение айди автора сообщения обратной связи
+
+## [0.0.3]
 
 - подключение независимого от перезапусков хранилища redis
 - многозадачные хранимые сессии пользователей
@@ -9,15 +14,15 @@
 - обработка ответов на сообщения в чате отзывов
 - рефакторинг
 
-[0.0.2]
+## [0.0.2]
 
 - добавлена функция для обратной связи 
 - исправлена ошибка повторной регистрации хука
 
-[0.0.1]
+## [0.0.1]
 
 - фундаментальная кодовая база на основе Sanic и requests
 - настройки на основе переменных среды
 - функция приветственного сообщения с кнопками
 - ограничения для новоприбывших и неверно отвечающих
-- распознание приветствия в тексте 
\ No newline at end of file
+- распознание приветствия в тексте 
diff --git a/tgbot/api.py b/tgbot/api.py
index 4324996..1f9a217 100644
--- a/tgbot/api.py
+++ b/tgbot/api.py
@@ -40,6 +40,7 @@ def ban_member(chat_id, user_id, until_date=None):
     r = requests.post(url)
     return r
 
+
 # https://core.telegram.org/bots/api#unbanchatmember
 def unban_member(chat_id, user_id):
     url = apiBase + f"unbanChatMember?chat_id={chat_id}&user_id={user_id}&only_if_banned=1"
@@ -52,3 +53,13 @@ def forward_message(cid, mid, to_chat_id):
         f"&from_chat_id={cid}&message_id={mid}"
     r = requests.post(url)
     return r
+
+
+# https://core.telegram.org/bots/api#setchatpermissions
+def set_chatpermissions(chat_id, chat_permissions):
+    chat_permissions = json.dumps(chat_permissions)
+    chat_permissions = requests.utils.quote(chat_permissions)
+    url = apiBase + f'setChatPermissions?chat_id={chat_id}' + \
+        f'&permissions={chat_permissions}'
+    r = requests.post(url)
+    return r
diff --git a/tgbot/handlers.py b/tgbot/handlers.py
index 633e1ae..72e8a31 100644
--- a/tgbot/handlers.py
+++ b/tgbot/handlers.py
@@ -1,4 +1,5 @@
-from tgbot.api import send_message, forward_message, delete_message, ban_member
+from tgbot.api import send_message, forward_message, delete_message, \
+    ban_member, set_chatpermissions
 from tgbot.config import FEEDBACK_CHAT_ID, WELCOME_MSG, BUTTON_NO, \
     BUTTON_OK, CHAT_ID, BUTTON_OK2, REDIS_URL
 import json
@@ -8,6 +9,18 @@ import redis
 storage = redis.from_url(REDIS_URL)
 
 
+def user_accept(chat_id, author):
+    r = delete_message(CHAT_ID, author["welcome_id"])
+    print(r.json())
+    author["newcomer"] = False
+
+    r = set_chatpermissions(CHAT_ID, { "can_send_messages": True })
+    print(r.json())
+
+    # set author as not a newcomer
+    storage.set(f'usr-{author["id"]}', json.dumps(author))
+
+
 def handle_feedback(msg):
     mid = msg['message_id']
     cid = msg['chat']['id']
@@ -16,6 +29,7 @@ def handle_feedback(msg):
     # store private chat message id 
     # fbk-<support-chat-message-id> -> <private-chat-id>:<private-message-id>
     storage.set(f'fbk-{support_msg_id}', json.dumps({
+        "author_id": msg["from"]["id"],
         "message_id": mid,
         "chat_id": cid
     }))
@@ -37,6 +51,7 @@ def handle_welcome(msg):
     member_id = str(msg['new_chat_member']['id'])
     s = {}
     if from_id == member_id:
+        s["id"] = member_id
         print(f'new self-joined member {member_id}')
         reply_markup = {
             "inline_keyboard": [
@@ -53,9 +68,15 @@ def handle_welcome(msg):
             reply_markup=reply_markup
         )
         welcome_msg_id = r.json()['result']['message_id']
+        print(r.json())
         print(f'welcome message id: {welcome_msg_id}')
         s["newcomer"] = True
         s["welcome_id"] = welcome_msg_id
+        perms = {
+            "can_send_messages": False
+        }
+        r = set_chatpermissions(CHAT_ID, perms)
+        print(r.json())
     else:
         s['newcomer'] = False
 
@@ -93,17 +114,13 @@ def handle_text(msg):
             if BUTTON_OK.lower() in answer.lower() or \
                 BUTTON_OK2.lower() in answer.lower():
                 print('found answer, cleanup')
-                r = delete_message(CHAT_ID, author["welcome_id"])
-                print(r.json())
-                author["newcomer"] = False
 
-                # set author as not a newcomer
-                storage.set(f'usr-{member_id}', json.dumps(author))
+                user_accept(CHAT_ID, author)
 
-            else:
-                print('remove some message')
-                r = delete_message(CHAT_ID, msg['message_id'])
-                print(r.json())
+            #else:
+            #    print('remove some message')
+            #    r = delete_message(CHAT_ID, msg['message_id'])
+            #    print(r.json())
         else:
             print(f'old member speaks {msg["text"]}')
 
@@ -129,6 +146,7 @@ def handle_button(callback_query):
             else:
                 print('no user session found, create')
                 s = {
+                    'id': member_id,
                     'newcomer': True,
                     'welcome_id': welcome_msg_id
                 }
@@ -152,6 +170,4 @@ def handle_button(callback_query):
                 r = delete_message(CHAT_ID, welcome_msg_id)
                 print(r.json())
                 s['newcomer'] = False
-
-                # store new member session
-                storage.set(f'usr-{member_id}', json.dumps(s))
\ No newline at end of file
+                user_accept(CHAT_ID, s)
\ No newline at end of file