{{Tip box|You can see if you are running out of the number of available connections in your log file /var/log/imaps/current and look for messages like the log extract below where the concurrency limit by IP was set to 20. A 21st connection was attempted to set up and was denied.
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{{Tip box|You can see if you are running out of the number of available connections in your log file /var/log/imaps/current and look for messages like the log extract below where the ConcurrencyLimitPerIP was set to 20. A 21st connection was attempted and was denied.