The msmtp group was created to allow one to protect /etc/msmtprc from regular users as it can contain plaintext passwords. If you join users to that group, you lose the ability to protect those passwords.
Have you considered using 'syslog LOG_MAIL'? It should have everyone's logs ending in /var/log/mail.log without needing special group/permission handling. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1876496 Title: Using /var/log/msmtp for all users is broken To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/msmtp/+bug/1876496/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs