package postfix 3.6.4-1ubuntu1.1 failed to install/upgrade: installed postfix package post-installation script subprocess returned error exit status 75

[Leascovschii Eduard]

can't update ubuntu

ProblemType: Package
DistroRelease: Ubuntu 22.04
Package: postfix 3.6.4-1ubuntu1.1
ProcVersionSignature: Ubuntu 6.2.0-36.37~22.04.1-generic 6.2.16
Uname: Linux 6.2.0-36-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.5
AptOrdering:
 python3-urllib3:amd64: Install
 NULL: ConfigurePending
Architecture: amd64
CasperMD5CheckResult: pass
Date: Wed Nov 8 10:25:59 2023
ErrorMessage: installed postfix package post-installation script subprocess returned error exit status 75
EtcMailname: https45.142.212.20910000
Hostname: https45.142.212.20910000
InstallationDate: Installed on 2023-04-14 (207 days ago)
InstallationMedia: Ubuntu 22.04.2 LTS "Jammy Jellyfish" - Release amd64 (20230223)
PostconfMydomain: 142.212.20910000
PostconfMyhostname: https45.142.212.20910000
PostconfMyorigin: /etc/mailname
Python3Details: /usr/bin/python3.10, Python 3.10.12, python3-minimal, 3.10.6-1~22.04
PythonDetails: N/A
RelatedPackageVersions:
 dpkg 1.21.1ubuntu2.2
 apt 2.4.10
SourcePackage: postfix
Title: package postfix 3.6.4-1ubuntu1.1 failed to install/upgrade: installed postfix package post-installation script subprocess returned error exit status 75
UpgradeStatus: No upgrade log present (probably fresh install)

[Paride Legovini (paride)]

Hi, looks like the failure is due to local configuration issue:

newaliases: fatal: file /etc/postfix/main.cf: parameter mydomain: bad parameter value: 142.212.20910000