there are also a lot of errors if postfix is installed after lsb
dpkg: lsb-invalid-mta: dependency problems, but removing anyway as you requested: lsb-core depends on lsb-invalid-mta | mail-transport-agent; however: Package lsb-invalid-mta is to be removed. Package mail-transport-agent is not installed. Package lsb-invalid-mta which provides mail-transport-agent is to be removed. bsd-mailx depends on default-mta | mail-transport-agent; however: Package default-mta is not installed. Package mail-transport-agent is not installed. Package lsb-invalid-mta which provides mail-transport-agent is to be removed. lsb-core depends on lsb-invalid-mta | mail-transport-agent; however: Package lsb-invalid-mta is to be removed. Package mail-transport-agent is not installed. Package lsb-invalid-mta which provides mail-transport-agent is to be removed. (Reading database ... 147461 files and directories currently installed.) Removing lsb-invalid-mta ... Selecting previously deselected package postfix. (Reading database ... 147458 files and directories currently installed.) Unpacking postfix (from .../postfix_2.7.0-1_i386.deb) ... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/660089 Title: nullmailer should not directly conflict with lsb -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs