On Tue, 2011-06-28 at 19:19 +0200, Giovanni Mancuso wrote: > Hi, > > I have in my system dovecot 1.2.11 and i want migrate to dovecot 2.0.13. > I have 2 Frontend that proxy all request to Backend and i want migrate > first FE and after the BE. > > Can i install dovecot 2.0.13 in FE that proxy all request to BE with > dovecot 1.2.11? Yes.