On Wed, Jan 24, 2024 at 09:38:06AM -0600, Bill Gee via Postfix-users wrote:
> > 1) Is there any documentation about moving from Postfix 2 to 3? I
> > looked on the web site but saw nothing obvious.
The RELEASE NOTES:
https://github.com/vdukhovni/postfix/blob/master/postfix/RELEASE_NOTES-2.11
https://github.com/vdukhovni/postfix/blob/master/postfix/RELEASE_NOTES-3.0
https://github.com/vdukhovni/postfix/blob/master/postfix/RELEASE_NOTES-3.1
https://github.com/vdukhovni/postfix/blob/master/postfix/RELEASE_NOTES-3.2
https://github.com/vdukhovni/postfix/blob/master/postfix/RELEASE_NOTES-3.3
https://github.com/vdukhovni/postfix/blob/master/postfix/RELEASE_NOTES-3.4
https://github.com/vdukhovni/postfix/blob/master/postfix/RELEASE_NOTES-3.5
> > 2) The leapp output mentions a compatibility option. I think I need to
> > use that. Is there documentation on it?
https://www.postfix.org/postconf.5.html#compatibility_level
https://www.postfix.org/COMPATIBILITY_README.html
> > 3) Would it be useful to set up a test machine (of which I have several)
> > and try the configuration files on it? I think there is no good way to
> > actually run messages through it, but I can at least see if the Postfix
> > service starts.
Your choice.
> 4) Probably not a PostFix question, but it is related. One big reason for
> doing an in-place upgrade is because I do not know how to move my mailbox
> from the old server to something new. Is that just a matter of copying a
> $HOME directory?
What you copy rather depends on where mail is stored. If you turn off
incoming mail and no user is able to modify their mailbox (delete
messages, ...) then copying the files to corresponding locations on a
new system will work.
--
Viktor.
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