Oops! I just realized that I sent this instead of saving it. Dang!
So continuing my thoughts with item 4 ...
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?
I hate to mess with a working system. The current setup is not broken.
The server has almost 300 days of uptime on it and has been running for
most of ten years. Looking forward, though, I see in a year or two
CentOS7 might become less and less usable, in much the same way that
Windows XP is pretty much unusable now. I want to get ahead of that curve.
It is probably worth noting that I have now converted all of my CentOS
systems except the email server to AlmaLinux 9 using ELevate. There
were a few glitches along the way, but it did work. The converted
systems were a mix of CentSO7, 8 Stream and 9 Stream. Only one of them
has any significant workload (VirtualBox host). The others are all test
beds.
Thanks!
===============
Bill Gee
On 1/21/24 15:44, Bill Gee wrote:
Hello everyone -
The time is finally coming when I have to do something with my Postfix
server. I have several questions for the group.
Background - Currently I have Postfix 2.10.1 running on CentOS7. It is
rock-solid. If not for the coming EOL on CentOS7 I would leave it
alone. The upgrade target I have chosen is AlmaLinux 9 which packages
PostFix 3.5.9. This will be an in-place upgrade using ELevate and leapp.
I ran "leapp preupgrade" on the system. It issued a raft of advice
regarding the Postfix main.cf and master.cf files. The only other
inhibitor is NFS. This system hosts quite a few other services
including DHCP, DNS, DoveCot (from third party repository), Samba and
NFS shares.
My questions for this group:
1) Is there any documentation about moving from Postfix 2 to 3? I
looked on the web site but saw nothing obvious.
2) The leapp output mentions a compatibility option. I think I need to
use that. Is there documentation on it?
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.
4)
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