[CentOS] selinux, sendmail, and disable_ipv6

Tue Nov 20 15:46:01 UTC 2018
mark <m.roth at 5-cent.us>

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

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.


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