You can restrict incoming messages to onlyfrom users who are not in your contacts and don't have Premium.
[What users.
[What is Telegram Premium?]()
120
Puedes restringir los mensajes de los usuarios que no estén en tus contactos y no tengan Premium.
[¿Qué es Telegram Premium?]()
128/120
Classy Beaver,
Jan 18 at 15:20