You can make a mailing list without a website. One option is to use social media platforms. You can create a landing page on tools like Mailchimp or ConvertKit. These tools let you collect emails directly. You can share the link on social media or through direct messages. You can also use offline methods like events or gatherings. You can ask people to sign up using a form or a QR code. Messaging apps like WhatsApp or Telegram can also help. You can create groups and share a link to join your list. Always get permission before adding contacts.