[K12OSN] Web Based Email

[John Warf]

We are currently looking at going away from POP3 email to a web based  
solution.  Anyone have any good suggestions for a server program that  
is free or low cost.  Below are things that I would love to have  
included.

I would like to still have the option for POP3 for some people but  
most users will be web based.
I also need it to be easy to use and have a look and feel a lot like  
Exchange (or equivalent).
I want it to run off of a Linux box (Red-Hat 7.3 or 9) or run off a  
Mac Server running OS 10.4.

Any suggestions and things that other school systems are using would  
be greatly appreciated.

Thanks

John

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John Warf
Network Administrator
Chatham County Schools
PO Box 128 / 369 West St.
Pittsboro, NC  27312  USA
919.542.3626 x 286
919.542.1380 fax
jwarf at chatham.k12.nc.us
http://www.chatham.k12.nc.us