[CentOS] selinux, sendmail, and disable_ipv6

Just started seeing this on one server:
python: SELinux is preventing sendmail from read access on the file
disable_ipv6.

It recommends a local policy. Now, searching, I see someone filed a bug
for CentOS last year, 0012914, and they wound up creating a policy.

Cmts?

Note, btw, that the system has two IPv6 addresses - my manager has fallen
for slack. Both valid.

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