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What does the message pop3/tcp server failing (looping), service terminated mean?

April 26, 2017failing looping mean message pop3 server service TCP terminated

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What does the message pop3/tcp server failing (looping), service terminated mean?

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This indicates that inetd received more requests for Qpopper service within one minute than it is configured to allow. On most systems, by default inetd only permits 40 connections within one minute to any service. If you have a lot of users, this may be too small a limit. You can increase the global default (for all inetd services) by passing a timeout argument to inetd. On most systems, you can increase the timeout for Qpopper by modifying your inetd.conf file. Find the pop3 line, and change nowait to nowait.timeout, for example, nowait.50 to permit 50 Qpopper connections within one minute.