We also see this bug running do-release-upgrade on GCE base VMs. Prior to running the upgrade and after running the upgrade, postfix is not installed:
catred@jammy-to-noble-upgrade-arm64:~$ dpkg --no-pager --list postfix dpkg-query: no packages found matching postfix If I create a second SSH shell during the upgrade while paused on the postfix prompt, I see: catred@jammy-to-noble-upgrade-base-amd64:~$ dpkg --no-pager --list postfix Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture Description +++-==============-============-============-================================= un postfix <none> <none> (no description available) The prompt I get is: Package configuration ┌────────────────────────┤ Postfix Configuration ├────────────────────────┐ │ Please select the mail server configuration type that best meets your │ │ needs. │ │ │ │ No configuration: │ │ Should be chosen to leave the current configuration unchanged. │ │ Internet site: │ │ Mail is sent and received directly using SMTP. │ │ Internet with smarthost: │ │ Mail is received directly using SMTP or by running a utility such │ │ as fetchmail. Outgoing mail is sent using a smarthost. │ │ Satellite system: │ │ All mail is sent to another machine, called a 'smarthost', for │ │ delivery. │ │ Local only: │ │ The only delivered mail is the mail for local users. There is no │ │ network. │ │ │ │ General mail configuration type: │ │ │ │ No configuration │ │ Internet Site │ │ Internet with smarthost │ │ Satellite system │ │ Local only │ │ │ │ │ │ <Ok> <Cancel> │ │ │ └─────────────────────────────────────────────────────────────────────────┘ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2060578 Title: postfix installed during release upgrade to Noble To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/2060578/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs