archiving emails

["Mike Zupan" <hijinks@xxxxxxxxx>]

I am looking to archive emails hopefully for all sent/received emails. I am using postfix 2.3 as a MTA and cyrus 2.3

I am looking to do something like 

user@xxxxxxxxxx while it goes to that address in cyrus via postfix it also goes to 
user@xxxxxxxxxxxxxxxxxx

Can this be done in cyrus via lmtpd or such in cyrus?

Thanks
Mike
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