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https://bugs.launchpad.net/bugs/989802
Title:
package postfix 2.9.1-5 failed to install/upgrade: subprocess
installed post-installation script returned error exit
** Tags removed: need-duplicate-check
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You received this bug notification because you are a member of Ubuntu
Server Team, which is subscribed to postfix in Ubuntu.
https://bugs.launchpad.net/bugs/989802
Title:
package postfix 2.9.1-5 failed to install/upgrade: subprocess
installed
Hi there GillAgain. Error code 75 means that postfix cannot use your
hostname, as it is invalid for email purposes. Check /etc/hostname and
/etc/mailname and see if they have any invalid characters such as _'s in
them. Some home routers return invalid hostnames and cause this problem.
Closing as
