Mc60 mqtt ssl +QMTSTAT: 0,4

Hi, i realy confused what I cant connect to broker, here is the problem:

AT+QMTOPEN=0,"…s2.eu.hivemq.cloud",“8883”
[2021-11-13 15:51:22:700_R:] AT+QMTOPEN=0,"…s2.eu.hivemq.cloud",“8883”
[2021-11-13 15:51:22:700_R:] OK

[2021-11-13 15:51:27:369_R:] +QMTOPEN: 0,0
[2021-11-13 15:51:28:339_S:] AT+QMTCONN=0,“mc60safron2214”,“mc60s”,“Rima1234”
[2021-11-13 15:51:28:411_R:] AT+QMTCONN=0,“mc60safron2214”,“mc60s”,“Rima1234”
[2021-11-13 15:51:28:411_R:] OK

[2021-11-13 15:51:28:836_R:] +QMTCONN: 0,0,5

[2021-11-13 15:51:28:836_R:] +QMTSTAT: 0,4

Hi,



please check whether your server requires authentication.You can use MQTT.fx tool to connect the server.If the MQtt.fx tool can connect successfully, you can use the module connect again.

Thank you, it connected to eclipse broker with ssl but without authentication successfuly.