How ibmiot retain messages

General
1

Hi! I'm using ibmiot nodes to send messages to my ESP32 device, I would like to know if I can activate the retain flag so that I can receive the data when I subscribe to the topic.

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Thanks!

2

No. The Watson IoT platform doesn't do retained messages.

3

Thanks for the answer!

What are the most suitable mqtt brokers?

4

Mosquitto is the one usually used. Simple to install and setup and 100% reliable.