message: try to enable e2e test synapse registration 3pid support
diff: @@ -642,7 +642,8 @@ enable_registration: true
  # Explicitly disable asking for MSISDNs from the registration
  # flow (overrides registrations_require_3pid if MSISDNs are set as required)
  #
  -#disable_msisdn_registration: true
  +disable_msisdn_registration: false
  +threepid_behaviour_email: "local"
  # Mandate that users are only allowed to associate certain formats of
  # 3PIDs with accounts on this server.
  