On Jul 29, 2010, at 7:16 AM, Wietse Venema wrote: > The simplest way to upgrade an existing configuration is: > > - Back up the new main.cf, master.cf, postfix-files, postfix-script > and post-install files. > > - Install the old main.cf and old master.cf and any files that > you have added to the old Postfix setup. > > - DO NOT INSTALL THE OLD POSTFIX-FILES, POSTFIX-SCRIPT AND POST-INSTALL > FILES. You must use the new versions of those files. > > - Execute (as root): "postfix upgrade-configuration". This will > update the old main.cf and old master.cf files and add missing > entries that Postfix needs. > > This procedure assumes that your vendor did not break "postfix > upgrade-configuration" or any of the files that it depends on. > > Wietse
thanks Wietse these two systems have different mailbox_transports mailbox_transport = dovecot mailbox_transport = cyrus is it as simple as switching these two ? or are there any other considerations. i have also needed to change the user and group info mail_owner = postfix to mail_owner = _postfix setgid_group = postdrop to setgid_group = _postdrop -j
