On 08 Jan 2015, at 15:02, DTNX Postmaster <[email protected]> wrote:
> On 08 Jan 2015, at 13:35, Selcuk Yazar <[email protected]> wrote: > >> Our serve is redhat Red Hat Enterprise Linux Server (v. 6 for 64-bit >> x86_64), so stil redhat have postfix 2.6.6 , >> >> i dont want to take this risk for updating running system. we have 60.000 >> users and i'm just one people :) > > Postfix tends to be pretty much a drop-in replacement for older > versions, so I wouldn't worry too much about the risk of upgrading > Postfix itself. There's of course the software that may have an > interaction with it, and that's something only you can judge. > > We have the latest Postfix 2.9.x on CentOS 6, compiled from source, > because we need XCLIENT support for our setup. Reverting to the stock > package is possible with a forced reinstall, but it hasn't been > necessary. > > You can install it in parallel, test it on non-default ports, and then > move the new version into production if there are no hickups. Careful > planning is basically all it takes :-) And here's the blog post that details how; http://www.stevejenkins.com/blog/2012/08/building-postfix-2-9-on-rhel6-centos-6-from-source/ Mvg, Joni
