The closest jump we are trying to now is from 2.4 to 2.8, but still in installation phase. :)
----- Original Message ----- From: "l...@airstreamcomm.net" <l...@airstreamcomm.net> To: postfix-users@postfix.org Cc: Sent: Wednesday, February 8, 2012 10:10 AM Subject: Re: Upgrade from 2.3.3 to 2.9 On Wed, 8 Feb 2012 15:32:55 +0000, Viktor Dukhovni <postfix-us...@dukhovni.org> wrote: > On Wed, Feb 08, 2012 at 04:25:04PM +0100, Reindl Harald wrote: > >> SIX major releases is a lot, even having the fact >> that Wietse is very careful with changes in mind >> >> the problem is that even he can not say what exactly >> has changed since long not supported releases and >> how will this possibly play with your exactyl config > > Sure he can, the changes are documented in the RELEASE_NOTES files, > which are includes with the Postfix source code. The OP should read > RELEASE_NOTES-2.{4,5,6,7,8} and the RELEASE_NOTES for 2.9. Which I have. At this point we have a cluster of outbound servers, so I plan to build a new server from scratch and bring it into the cluster after some testing, then phase out the other servers with clones of the new machine.