But, once I get around the installation issue, why does 'inc'
need special group ownership and SGID treatment? Would that
reason be related to the 'inc' in Fedora's build of nmh-1.4
asking me for a password when I want to 'inc' my email?
Those things are unrelated.
The issue is that "inc" wants to lock the mail spool file. On some systems
that requires that it be able to create a lock file in the spool directory,
which may require being setgid to the "mail" group.
As for asking for a password ... that sounds like inc is trying to
retrieve email via POP. Unless they're doing something else strange.
--Ken
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