2019-04-28 02:53:42,027 - synapse.handlers.identity - 197 - ERROR - POST-4357- Failed to unbind threepid on identity server: 403: b'Forbidden'
2019-04-28 02:53:42,036 - synapse.handlers.deactivate_account - 82 - ERROR - POST-4357- Failed to remove threepid from ID server
Traceback (most recent call last):
  File "/home/server/.synapse/env3/lib/python3.6/site-packages/synapse/handlers/identity.py", line 189, in try_unbind_threepid
    headers,
  File "/home/server/.synapse/env3/lib/python3.6/site-packages/twisted/internet/defer.py", line 1418, in _inlineCallbacks
    result = g.send(result)
  File "/home/server/.synapse/env3/lib/python3.6/site-packages/synapse/http/client.py", line 390, in post_json_get_json
    raise HttpResponseException(response.code, response.phrase, body)
synapse.api.errors.HttpResponseException: 403: b'Forbidden'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/server/.synapse/env3/lib/python3.6/site-packages/synapse/handlers/deactivate_account.py", line 76, in deactivate_account
    'address': threepid['address'],
  File "/home/server/.synapse/env3/lib/python3.6/site-packages/twisted/internet/defer.py", line 1416, in _inlineCallbacks
    result = result.throwExceptionIntoGenerator(g)
  File "/home/server/.synapse/env3/lib/python3.6/site-packages/twisted/python/failure.py", line 491, in throwExceptionIntoGenerator
    return g.throw(self.type, self.value, self.tb)
  File "/home/server/.synapse/env3/lib/python3.6/site-packages/synapse/handlers/identity.py", line 198, in try_unbind_threepid
    raise SynapseError(502, "Failed to contact identity server")
synapse.api.errors.SynapseError: 502: Failed to contact identity server






Apr 28 02:53:41 mgp mxisd[59364]: [XNIO-1 task-11] INFO io.kamax.mxisd.http.undertow.handler.auth.RestAuthHandler - Requested to check credentials for @detlef5:mgp.ax.lt
Apr 28 02:53:42 mgp mxisd[59364]: [XNIO-1 task-12] WARN io.kamax.mxisd.session.SessionManager - A remote host attempted to unbind without proper authorization. Request was denied
Apr 28 02:53:42 mgp mxisd[59364]: [XNIO-1 task-12] INFO io.kamax.mxisd.session.SessionManager - Not sending notification to 3PID owner as per configuration
Apr 28 02:53:42 mgp mxisd[59364]: [XNIO-1 task-12] INFO io.kamax.mxisd.http.undertow.handler.BasicHttpHandler - Request POST http://mgp.ax.lt/_matrix/identity/api/v1/3pid/unbind - Error M_FORBIDDEN: You have attempted to alter 3PID bindings, which can only be done by the 3PID owner directly. We have informed the 3PID owner of your fraudulent attempt.