How to block a user How to receive messages only from members with photo? How to receive messages only from members of given age? How to receive messages only from members located near to you? Is there a quantity limit for sending chat messages? Why did the chat with the user disappear? Why are my messages unread? Why can't I send a message and the system requires a gift? How to unblock a user How to read received messages? How to find unread messages? What is smart assistant? What are "priority messages"?