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John Valenti writes: 

> Rick, 
> 
> MSU's central email system has used encryption since the re-design of  a 
> few years ago. POP, IMAP and the web interface all use encrypted  
> connections. 
> 
> The mail isn't encrypted on the mail servers, maybe that is what you  are 
> asking about?   I haven't seen a big need for that, at least in  our 
> department. 
> 
> Perhaps this would be a good reason to suggest not forwarding email  to 
> another system (or to keep all participants within mail.msu.edu). 
> 
> -John
> LIR 
> 

I'm not aware of any e-mail systems encrypting locally stored e-mail 
messages. I know that Google doesn't from our presentation this week. Its 
true that we can transmit data to mail.msu.edu encrypted, and as you pointed 
out the weak point is the e-mail to e-mail server connections. 

It sounds like someone would like a PKI, public key infrastructure, for 
encrypting individual messages. Implementing a PKI for campus would be a 
large project to undertake. 

 -Ed