[Samba] Samba 4.8.10 for rhel7/centos7 rpms

[Billy Bob]

> If you build Samba on your with Heimdal on your own, then is it works with 
> older GnuTLS versions. However I wouldn't run Samba AD DC with Heimdal, the 
> Samba copy is from 2011. Who knows what's in there ...
> 
> Best regards,
> 
> Andreas

WOW! If Samba with Heimdal can't be trusted, and Samba with MIT is clearly experimental and not supported, then WHAT EXACTLY should Samba be used for? Just file/print services?
Am I completely insane, or am I reading the above statement correctly?