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Proxy & Exchange:why does POP3 close?

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4 replies

by lorip

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After a time, outside users are unable to access their mail. It seems the POP3 port stops responding. I must reboot my proxy server and my domain controller to get it back on line. What have I done wrong & how can I fix it? Thank you !!

4 replies

by simonbryan53

Not a complete answer but my POP3 server often died under load, the log file would say 'looping'. But it always restarted in about 10 minutes. There is a setting which escapes me at the moment to increase the ability of the POP3 server to handle high loads.

by lorip

It seems to be more of a Proxy packet filtering issue than a POP3 issue.

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