The use of the ESP8266 in the world of IoT

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By chaosrules
#57285 Using the example mqtt_esp8266 from the Adafruit MQTT Library.
Signed up for a Adafruit input output account.
For Hardware using a Geekcreit ESP-12E

I can log on to WiFi ok however says "not authorized to connect" to the Adafruit MQTT server.
https://github.com/adafruit/Adafruit_MQTT_Library
Thanks