# Which Message Types Does SMN Support?

SMN supports the following message types or protocols: email, SMS, DMS, HTTP, and HTTPS.

- HTTP or HTTPS: Messages are sent to subscription URLs by HTTP or HTTPS request. Currently, SMN only supports public network URLs.
- Email: Messages are sent to subscribers' email addresses by email.
- SMS: Messages are sent to subscribers' phone numbers by SMS message.

- DMS: Messages are sent to queues.

Parent topic: FAQs