Email transfer from Zimbra 5.0 to 6.0
I have a problem may be someone can help.
I have a work server with Zimbra (Release 5.0.11_GA_2695.SLES10_64_20081117131141 SLES10_64 FOSS edition) and have a backup server Release 6.0.5_GA_2213.DEBIAN5 DEBIAN5 FOSS edition.
I would like to make a mail syncronisation between the two system. Is it possible ? (I am planning to sync only the messages not necessary to backup the users account details .. )
Can somebody help me How can I do this ?
Thank you in advance,