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by rad_gruchalski 2517 days ago
Yes, but that is not defined by the protocol. MQTT does not have such a mechanism. That’s a custom solution.
1 comments
rad_gruchalski 2517 days ago
To clarify on the last will, as there was a comment here (and a downvote to my parent comment, thanks for that, by the way...), comment since then deleted.

Last will is given to the broker at connect time. It doesn’t tell the broker that a disconnect is / isn’t deliberate. Last will has nothing to do with the reasoning for disconnect. It tells the broker what to do in case of a disconnect.

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blackflame7000 2516 days ago
It's highly annoying when you get downvoted so close to 500 where you earn the coveted ability. Furthermore, you are correct so enjoy some karma :)
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