Memory Leak due to pop3

We have been running Exchange '07 for 5 or 6 months now. We have around 10 accounts that use POP3 for applications. Every two months I have to re-start the POP3 service to clean up RAM. We have not yet upgraded to SP1 but POP3 will use 3 to 4 GB of RAM and around 4 GB of page file. Whenever I restart the service it clears right up. Has anyone seen this or heard of this? Nothing runs on this server but exchange and it is a HUB/CAS only
sunshineknoxAsked:
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briancassinCommented:
This is by design in all honesty. Exchange 2007 was designed to use maximum memory and release it when other apps need it. The reason for this is less disk access ( i/o time ).

This explains the memory issue
http://www.msexchange.org/pages/newsletters/july2007.asp

as long as nothing is showing up in your event viewer log files and your not getting error messages then it's fine
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sunshineknoxAuthor Commented:
NOT THE STORE.  I know exchange DB acts that way not POP3.
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briancassinCommented:
Have you checked your event logs ? Have you also checked the mail activity on the server ?
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sunshineknoxAuthor Commented:
event logs are clean and not much activity. only +-10 accounts using pop3.  can't turn on pop3 logging or the service will not start



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sunshineknoxAuthor Commented:
I attached a jpeg
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sunshineknoxAuthor Commented:
sorry I meant to put this jpeg up there, sorry.
exchange2007-pop3.png
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sunshineknoxAuthor Commented:
here is a better pic
New-Picture.png
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sunshineknoxAuthor Commented:
Anybody know anything about the memory leak with the process highlighted above?



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briancassinCommented:
You may want to try downloading and installing SP1 for exchange as they have overhauled a lot of different things in SP1 including POP3
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